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A telescope is a device used to observe distant objects by their emission, absorption, or reflection of electromagnetic radiation. Originally, it was...

The Hubble Space Telescope (HST or Hubble) is a space telescope that was launched into low Earth orbit in 1990 and remains in operation. It was not the...

The James Webb Space Telescope (JWST) is a space telescope designed to conduct infrared astronomy. It is the largest telescope in space, and is equipped...

Observatory (/ˈdʒɒdrəl/ JOD-rəl) in Cheshire, England, hosts a number of radio telescopes as part of the Jodrell Bank Centre for Astrophysics at the University...

also may refer to: The Telescopes, a British psychedelic band The Telescopes (album) Telescope (album), by Circle, 2007 The Telescope (album), by Her Space...

Nancy Grace Roman Space Telescope (shortened as the Roman Space Telescope, Roman, NGRST, or RST) is a NASA infrared space telescope whose construction was...

A refracting telescope (also called a refractor or dioptric telescope) is a type of optical telescope that uses a lens as its objective to form an image...

radio telescope is a specialized antenna and radio receiver used to detect radio waves from astronomical radio sources in the sky. Radio telescopes are...

The Extremely Large Telescope (ELT) is an astronomical observatory under construction. When completed, it will be the world's largest optical and mid-infrared...

A reflecting telescope (also called a reflector) is a telescope that uses a single or a combination of curved mirrors that reflect light and form an image...

The Lovell Telescope (/ˈlʌvəl/ LUV-əl) is a radio telescope at Jodrell Bank Observatory, near Goostrey, Cheshire, in the north-west of England. Completed...

thermoscope and the inventor of various military compasses. With an improved telescope he built, he observed the stars of the Milky Way, the phases of Venus...

The history of the telescope can be traced to before the invention of the earliest known telescope, which appeared in 1608 in the Netherlands, when a...

The Arecibo Telescope was a 305 m (1,000 ft) spherical reflector radio telescope built into a natural sinkhole at the Arecibo Observatory located near...

Telescopes with aperture diameter >8 metres This list of the largest optical reflecting telescopes with objective diameters of 3.0 metres (120 in) or greater...

following are lists of devices categorized as types of telescopes or devices associated with telescopes. They are broken into major classifications with many...

The Event Horizon Telescope (EHT) is a telescope array consisting of a global network of radio telescopes. The EHT project combines data from several...

The telescope, telescope goldfish or telescope eye (Chinese: 出目金; pinyin: Chū mù jīn) is a goldfish characterised by its protruding eyes. It was first...

A space telescope (also known as space observatory) is a telescope in outer space used to observe astronomical objects. Suggested by Lyman Spitzer in 1946...

The Newtonian telescope, also called the Newtonian reflector or just a Newtonian, is a type of reflecting telescope invented by the English scientist...

Robert C. Byrd Green Bank Telescope (GBT) in Green Bank, West Virginia, US is the world's largest fully steerable radio telescope, surpassing the Effelsberg...

contains two historically important telescopes: the 100-inch (2.5 m) Hooker telescope, which was the largest aperture telescope in the world from its completion...

A solar telescope or a solar observatory is a special-purpose telescope used to observe the Sun. Solar telescopes usually detect light with wavelengths...

The Effelsberg 100-metre Radio Telescope is a radio telescope in the Ahr Hills (part of the Eifel) in Bad Münstereifel, Germany. Inaugurated in 1972, for...

types of optical telescope : Refracting telescopes, which use lenses and less commonly also prisms (dioptrics) Reflecting telescopes, which use mirrors...

(RE6). Other neutrino telescopes designed for use in the nearby area include the Greek NESTOR telescope and the Italian NEMO telescope, which are both in...

A Dobsonian telescope is an altazimuth-mounted Newtonian telescope design popularized by John Dobson in 1965 and credited with vastly increasing the size...

The Giant Magellan Telescope (GMT) is a ground-based, extremely large telescope currently under construction at Las Campanas Observatory in Chile's Atacama...

An extremely large telescope (ELT) is an astronomical observatory featuring an optical telescope with an aperture for its primary mirror from 20 metres...

Subaru Telescope (すばる望遠鏡, Subaru Bōenkyō) is the 8.2-metre (320 in) telescope of the National Astronomical Observatory of Japan, located at the Mauna Kea...

The Very Large Telescope (VLT) is an astronomical facility operated since 1998 by the European Southern Observatory, located on Cerro Paranal in the Atacama...

Magellan Telescopes are a pair of 6.5-metre-diameter (21 ft) optical telescopes located at Las Campanas Observatory in Chile. The two telescopes are named...

Eye to the Telescope is the debut studio album by Scottish singer-songwriter KT Tunstall, originally released on 13 December 2004 and re-released 10 January...

A Ritchey–Chrétien telescope (RCT or simply RC) is a specialized variant of the Cassegrain telescope that has a hyperbolic primary mirror and a hyperbolic...

observatory in Chile with three telescopes built and operated by the European Southern Observatory (ESO). Several other telescopes are also located at the site...

Aperture Spherical Telescope (FAST; Chinese: 五百米口径球面射电望远镜), nicknamed Tianyan (天眼, lit. "Sky's/Heaven's Eye"), is a radio telescope located in the Dawodang...

Einstein Telescope (ET), is a proposed third-generation ground-based gravitational wave (GW) detector, currently under study by some institutions in the...

The Hale Telescope is a 200-inch (5.1 m), f/3.3 reflecting telescope at the Palomar Observatory in San Diego County, California, US, named after astronomer...

An aerial telescope is a type of very long focal length refracting telescope, built in the second half of the 17th century, that did not use a tube. Instead...

The Thirty Meter Telescope (TMT) is a proposal for an extremely large telescope (ELT), intended to be built on Mauna Kea, on the island of Hawai'i. Scientists...

The Maksutov (also called a "Mak") is a catadioptric telescope design that combines a spherical mirror with a weakly negative meniscus lens in a design...

A network telescope (also known as a packet telescope, darknet, Internet motion sensor or black hole) is an Internet system that allows one to observe...

This is a list of radio telescopes – over one hundred – that are or have been used for radio astronomy. The list includes both single dishes and interferometric...

Telescope Peak (Timbisha: Chiombe) is the highest point within Death Valley National Park, in the U.S. state of California. It is also the highest point...

it would decommission the telescope. The telescope collapsed on December 1, 2020. In 2022, the NSF announced the telescope would not be rebuilt, with...

A Wolter telescope is a telescope for X-rays that only uses grazing incidence optics – mirrors that reflect X-rays at very shallow angles in the regime...

The Carnegie telescope (i.e. Carnegie double astrograph) is a twin 20-inch (510 mm) refractor telescope located at Lick Observatory in California, United...

Euclid is a wide-angle space telescope with a 600-megapixel camera to record visible light, a near-infrared spectrometer, and photometer, to determine...

Amateur telescope making is the activity of building telescopes as a hobby, as opposed to being a paid professional. Amateur telescope makers (sometimes...

space-based observatories including the James Webb Space Telescope and the Hubble Space Telescope. The Launch Services Program oversees operations for uncrewed...

list below is split between telescopes located in Australia, and telescopes sponsored by Australia such as a space telescope or foreign installation. Australia...

suitable KBOs using ground telescopes. Large ground telescopes with wide-field cameras, notably the twin 6.5-meter Magellan Telescopes in Chile, the 8.2-meter...

Overwhelmingly Large Telescope (OWL) was a conceptual design by the European Southern Observatory (ESO) organisation for an extremely large telescope, which was...

Integrated Neutral Gas Observations) is a 40 m (130 ft) transit radio telescope currently under construction that will observe redshifted hydrogen line...

The Hexapod-Telescope (HPT) was a 1.5-metre (59 in) Ritchey-Chrétien optical telescope, that operated in 2006-2017 in the Cerro Armazones Observatory (OCA)...

The Liverpool Telescope (LT) is a two-metre-aperture robotic Ritchey–Chrétien telescope that observes autonomously (without human intervention). However...

refracting telescopes List of optical telescopes List of proposed space telescopes List of radio telescopes List of solar telescopes List of space telescopes List...

Murriyang, the 64 m CSIRO Parkes Radio Telescope also known as "The Dish", along with two smaller radio telescopes. The 64 m dish was one of several radio...

A telescope mount is a mechanical structure which supports a telescope. Telescope mounts are designed to support the mass of the telescope and allow for...

Telescope (foaled 25 January 2010) is an Irish-bred, British-trained Thoroughbred racehorse. He won one minor race as a two-year-old but was highly regarded...

Reconnaissance Office (NRO) donated two identical space telescopes to NASA. These telescopes were built under the Future Imagery Architecture program...

The Large Binocular Telescope (LBT) is an optical telescope for astronomy located on 10,700-foot (3,300 m) Mount Graham, in the Pinaleno Mountains of...

The Kepler space telescope was a space telescope launched by NASA in 2009 to discover Earth-sized planets orbiting other stars. Named after astronomer...

The Gregorian telescope is a type of reflecting telescope designed by Scottish mathematician and astronomer James Gregory in the 17th century, and first...

The Vera C. Rubin Observatory, formerly the Large Synoptic Survey Telescope (LSST), is an astronomical observatory in Coquimbo Region, Chile. Its main...

The Telescopes are an English noise, space rock, dream pop and psychedelic band formed in 1987 by artist, composer, and musician Stephen Lawrie, with band...

The Magnetic Telescope (1942) is the sixth of the seventeen animated Technicolor short films based upon the DC Comics character of Superman, originally...

The Ryle Telescope (named after Martin Ryle, and formerly known as the 5-km Array) was a linear east-west radio telescope array at the Mullard Radio Astronomy...

west-southwest of Tucson, Arizona. With more than twenty optical and two radio telescopes, it is one of the largest gatherings of astronomical instruments in the...

The Spitzer Space Telescope, formerly the Space Infrared Telescope Facility (SIRTF), was an infrared space telescope that was active between 2003 and 2020...

lens refracting telescope, the largest refractor ever successfully used for astronomical observation. The Swedish 1-m Solar Telescope in the Canary Islands...

astronomy, "GoTo" refers to a type of telescope mount and related software that can automatically point a telescope at astronomical objects that the user...

British-owned telescopes (such as the Isaac Newton Telescope, the Anglo-Dutch Jacobus Kapteyn Telescope, and the William Herschel Telescope) on the Canary...

The telescope shiner (Notropis telescopus) is a species of freshwater ray-finned fish beloinging to the family Leuciscidae, the shiners, daces and minnows...

Arago telescope (Lunette Arago) is a 38 cm (15 inch) aperture refracting telescope at Paris Observatory, installed in 1857. Francois Arago ordered this...

"Telescope" is a song recorded by American actress Hayden Panettiere. The song was written by Hillary Lindsey and Cary Barlowe. It was released to country...

The Greenland Telescope is a radio telescope situated at the Pituffik Space Base in north-western Greenland. It will later be deployed at the Summit Station...

The Bok Telescope (also known as the 90-inch) is the largest telescope operated solely by Steward Observatory.[dubious – discuss] It finds much use from...

Large Telescope (VLT), the largest telescope on Paranal, is composed of four separate 8.2 m (320 in) telescopes. In addition, the four main telescopes can...

An infrared telescope is a telescope that uses infrared light to detect celestial bodies. Infrared light is one of several types of radiation present in...

An X-ray telescope (XRT) is a telescope that is designed to observe remote objects in the X-ray spectrum. X-rays are absorbed by the Earth's atmosphere...

The Nasmyth telescope, also called Nasmyth–Cassegrain or Cassegrain–Nasmyth, is a reflecting telescope developed by the Scottish inventor James Nasmyth...

The International Liquid Mirror Telescope is a 4-meter telescope located inside the premises of Aryabhatta Research Institute of Observational Sciences...

The VISTA (Visible and Infrared Survey Telescope for Astronomy) is a wide-field reflecting telescope with a 4.1 metre mirror, located at the Paranal Observatory...

The Anglo-Australian Telescope (AAT) is a 3.9-metre equatorially mounted telescope operated by the Australian Astronomical Observatory and situated at...

The Telescope was a magazine for amateur astronomers published between 1931 and 1941. The magazine was first published as a quarterly under the editorship...

Ground-based solar telescopes are specialized telescopes used to observe the Sun from Earth's surface. Solar telescopes often have multiple focal lengths...

A small telescope is generally considered by professional astronomers to be any reflecting telescope with a primary mirror that is less than 2 metres (80 in)...

German parts of the project which were primarily science-and telescope-related. SOFIA's telescope saw first light on May 26, 2010. SOFIA was the successor...

The telescope octopus (Amphitretus pelagicus) is a species of pelagic octopus found in tropical and subtropical regions of the Indian and Pacific Oceans...

The largest infrared telescopes for infrared astronomy are listed in terms of diameter of primary mirror. The infrared spectrum with its longer wavelength...

A zenith telescope is a type of telescope that is designed to point straight up at or near the zenith. They are used for precision measurement of star...

A robotic telescope is an astronomical telescope and detector system that makes observations without the intervention of a human. In astronomical disciplines...

Radio Telescope is a historical radio telescope in the Eifel mountain range in Germany, situated 12 km from the Effelsberg 100-m Radio Telescope. Germany's...

A quantum telescope is a concept for a telescope aimed at overcoming the diffraction limit of traditional telescopes by exploiting some properties of quantum...

A three-mirror anastigmat is an anastigmat telescope built with three curved mirrors, enabling it to minimize all three main optical aberrations – spherical...

observatory operates several telescopes, including the 200-inch (5.1 m) Hale Telescope, the 48-inch (1.2 m) Samuel Oschin telescope (dedicated to the Zwicky...

located sites for optical, infrared, and gamma-ray telescopes. It is the tenth-highest optical telescope in the world. The Indian Astronomical Observatory...

the largest optical telescopes in the 20th century, paying special attention to the diameter of the mirror or lens of the telescope's objective, or aperture...

Sky & Telescope (S&T) is a monthly magazine covering all aspects of amateur and professional astronomy, including what to see in the sky tonight and new...

black hole was imaged using data collected in 2017 by the Event Horizon Telescope (EHT), with a final, processed image released on 10 April 2019. In March 2021...

An infinite-axis telescope is a telescope that can move freely in all directions. Such telescopes can be mechanically simple hand-guided versions with...

Telescope Hill, at 334 feet (102 m), is the highest point of elevation in the Town of Brookhaven, on Long Island, New York, United States. The hill is...

the telescope, because he was the first one who tried to obtain a patent for it. It is, however, unclear if he was the first one to build a telescope. Lipperhey...

function is to conduct research in astronomy and astrophysics. The primary telescopes are located in Sutherland, which is 370 kilometres (230 mi) from Observatory...

The Yapp telescope is a 36-inch (3 foot / ~91.44 cm) reflecting telescope of the United Kingdom, now located at the Observatory Science Centre at Herstmonceux...

Pillars of Creation is a photograph taken by the Hubble Space Telescope that depicts elephant trunks of interstellar gas and dust in the Eagle Nebula...

William Herschel's 40-foot telescope, also known as the Great Forty-Foot telescope, was a reflecting telescope constructed between 1785 and 1789 at Observatory...

Research Telescope, which is situated on Cerro Pachón. Other telescopes on Cerro Tololo include the 1.5 m, 1.3 m, 1.0 m, and 0.9 m telescopes operated...

The 22-metre Mopra Radio Telescope, located near Coonabarabran, New South Wales, is part of the Australia Telescope National Facility, operated by CSIRO...

established the global telescope version of Las Cumbres Observatory. LCO initially acquired the two Faulkes 2-meter telescopes. Faulkes Telescope North (FTN) located...

list of large optical telescopes. For telescopes larger than 3 meters in aperture see List of largest optical reflecting telescopes. This list combines...

The Shuckburgh telescope or Shuckburgh equatorial refracting telescope was a 4.1 inches (10.4 cm) diameter aperture telescope on an equatorial mount completed...

Binoculars or field glasses are two refracting telescopes mounted side-by-side and aligned to point in the same direction, allowing the viewer to use both...

The Westerlund telescope was inaugurated in 2004. and is named after Bengt Westerlund (1921–2008). The telescope belongs to Uppsala Astronomical Observatory...

The Orgov Radio-Optical Telescope, also known as ROT54 or the Herouni Mirror Radio Telescope, is a radio telescope in Orgov, Armenia. It was built between...

Most optical telescopes are housed within a dome or similar structure, to protect the delicate instruments from the elements. Telescope domes have a slit...

telescopes from different countries around the world because of the good astronomical seeing conditions. Later, the emphasis for optical telescopes shifted...

The Schwarzschild telescope is a reflecting telescope with two aspherical concave mirrors. It was developed by Karl Schwarzschild and named after him...

Tauchmann telescope is a 0.5 m (22-inch) reflector atop the water tank at Huyghens Peak. It is part of the Lick Observatory at Mount Hamilton. The telescope has...

Tower Telescope – Solar telescope on Tenerife operated by KIS Swedish Solar Telescope – Telescope on La Plama, Canary Islands Dutch Open Telescope – Solar...

This list of space telescopes (astronomical space observatories) is grouped by major frequency ranges: gamma ray, X-ray, ultraviolet, visible, infrared...

interferometer or telescope array is a set of separate telescopes, mirror segments, or radio telescope antennas that work together as a single telescope to provide...

GW170817 detected by LIGO & Virgo detectors. BAT (Burst Alert Telescope) is a gamma ray telescope, built by NASA's Goddard Space Flight Center, uses a coded...

imaging celestial objects in the sky using the unaided eye, binoculars, telescopes, and other gadgets. Although scientific research may not be their primary...

in 1965. There are many telescopes on site including: one 0.4 metre, two 0.6 metre, one 1.0 metre, and a 1.8 metre MOA telescope. The nearest population...

Urbain Le Verrier. Neptune was subsequently directly observed with a telescope on 23 September 1846 by Johann Gottfried Galle within a degree of the...

The Faulkes Telescope South is a clone of the Liverpool Telescope and is located at Siding Spring Observatory in New South Wales, Australia. It is a 2 m...

There are three radio telescopes designated RT-70, all in countries that were once part of the former Soviet Union, all with similar specifications: 70m...

HST-SM4 (Hubble Space Telescope Servicing Mission 4), was the fifth and final Space Shuttle mission to the Hubble Space Telescope (HST). The launch of...

Canada–France–Hawaii Telescope (CFHT French: Télescope Canada–France–Hawaï) is a 3.58 metres (11.7 ft) optical/infrared telescope located near the summit...

manufactured, imported and distributed telescopes, binoculars, spotting scopes, microscopes, CCD cameras, and telescope accessories for the consumer market...

The Lowell Discovery Telescope (LDT), formerly the Discovery Channel Telescope (DCT), is a 4.3 m (170 in) aperture telescope owned and operated by Lowell...

The Schmidt–Cassegrain is a catadioptric telescope that combines a Cassegrain reflector's optical path with a Schmidt corrector plate to make a compact...

The James Gregory Telescope was constructed in 1962 by the University of St Andrews. It is of a Schmidt-Cassegrain design and is fitted with a CCD camera...

The Belleville Telescope is a local newspaper in Belleville, Kansas. It was the first paper in Republic County, established September 20, 1870, by J....

Metrewave Radio Telescope (GMRT), located near Narayangaon, Pune in India, is an array of thirty fully steerable parabolic radio telescopes of 45 metre diameter...

The Orion space telescopes were a series of two instruments flown aboard Soviet spacecraft during the 1970s to conduct ultraviolet spectroscopy of stars...

the telescope to be completely rolled back, allowing it to cool down very quickly in order to improve observation. The Multiple Mirror Telescope operated...

observatory with two telescopes at an elevation of 4,145 meters (13,600 ft) near the summit of Mauna Kea in the U.S. state of Hawaii. Both telescopes have 10 m (33 ft)...

the comet's surface to form its coma. Images taken by the Hubble Space Telescope and various interplanetary spacecraft suggest that the diameter of 3I/ATLAS's...

The achromatic telescope is a refracting telescope that uses an achromatic lens to correct for chromatic aberration. When an image passes through a lens...

The VLT Survey Telescope (VST) is a telescope located at ESO's Paranal Observatory in the Atacama Desert of northern Chile. It is housed in an enclosure...

advanced telescopes. These include the 3.6 m New Technology Telescope, an early pioneer in the use of active optics, and the Very Large Telescope (VLT),...

Liquid-mirror telescopes are telescopes with mirrors made with a reflective liquid. The most common liquid used is mercury, but other liquids will work...

The Radcliffe Telescope is a 74 in (1.9 m) optical/near-infrared reflecting telescope located at the South African Astronomical Observatory in Sutherland...

The Klevtsov–Cassegrain telescope is a type of catadioptric Cassegrain telescope that uses a spherical primary mirror and a sub-aperture secondary corrector...

observed in 1995 with the WFPC2 camera on the Hubble Space Telescope. Other space telescopes that have obtained deep-field observations include the Chandra...

The Argunov–Cassegrain telescope is a catadioptric telescope design first introduced in 1972 by P. P. Argunov. All optics are spherical, and the classical...

Amateur Telescope Making (ATM) is a series of three books edited by Albert G. Ingalls between 1926 and 1953 while he was an associate editor at Scientific...

Hobby–Eberly Telescope (HET) is a 10-meter-aperture (33 ft) telescope located at the McDonald Observatory in Davis Mountains, Texas. The Hobby–Eberly Telescope is...

A phase telescope or Bertrand lens is an optical device used in aligning the various optical components of a light microscope. In particular it allows...

The Telescope (French: La lunette d'approche) is a 1963 oil on canvas painting by René Magritte. The painting depicts a window through which a partly...

(80 km) west of Socorro. The VLA comprises 28 25-meter (82 ft) radio telescopes (27 of which are operational while one is always rotating through maintenance)...

Obsession Telescopes is an American optical telescope company that specializes in the production of Dobsonian telescopes. The company was founded in 1989...

Ritchey-Chrétien telescope. The telescope is owned and operated by LCOGT. This telescope and its sister telescope Faulkes Telescope South are used by...

The Swedish Solar Telescope (SST), also known as the Swedish 1-meter Solar Telescope, is a refracting solar telescope at Roque de los Muchachos Observatory...

8.1-metre (26.6 ft) telescopes, Gemini North and Gemini South, situated in Hawaii and Chile, respectively. These twin telescopes offer extensive coverage...

detected on August 15, 1977, by Ohio State University's Big Ear radio telescope in the United States, then used to support the search for extraterrestrial...

survey telescope (CSST) (Chinese: 巡天空间望远镜; pinyin: Xúntiān Kōngjiān Wàngyuǎnjìng) is a Chinese space telescope under development. The telescope will feature...

McMath–Pierce solar telescope is a 1.6 m f/54 reflecting solar telescope at Kitt Peak National Observatory in Arizona, United States. Built in 1962, the...

appropriate response. Most asteroids are discovered by a camera on a telescope with a wide field of view. Image differencing software compares a recent...

RT-64 are two radio telescopes in Russia with 64-metre (210 ft) antenna diameter which are among the largest radio telescopes in the world. The Bear Lakes...

Gravitational-wave Optical Transient Observer (GOTO) is an array of robotic optical telescopes optimized for the discovery of optical counterparts to gravitational wave...

The Great Melbourne Telescope was built by the Grubb Telescope Company in Dublin, Ireland in 1868, and installed at the Melbourne Observatory in Melbourne...

The Crossley telescope is a 36-inch (910 mm) reflecting telescope located at Lick Observatory in the U.S. state of California. It was used between 1895...

The Víctor M. Blanco Telescope, also known as the Blanco 4m, is a 4-metre aperture telescope located at the Cerro Tololo Inter-American Observatory, Chile...

Imaging Cherenkov Telescopes, later renamed to MAGIC Florian Goebel Telescopes) is a system of two Imaging Atmospheric Cherenkov telescopes situated at the...

Gamma Ray Observatory, or by specialized telescopes called atmospheric Cherenkov telescopes. Cherenkov telescopes do not detect the gamma rays directly but...

WorldWide Telescope (WWT) is an open-source set of applications, data and cloud services, originally created by Microsoft Research but now an open source...

refracting lens telescopes in North America: Optical telescopes only Some of the largest at observatories: Lists of telescopes List of radio telescopes List of...

The graphic telescope is a type of camera lucida that has the power of a telescope. It was invented by Cornelius Varley in 1809. It can be used to draw...

Galileo Solar Space Telescope – Multi-mission Platform (GSST-PMM) is a mission proposed by Brazil's National Institute for Space Research (INPE) that...

the National Observatory of Athens. It is home of one of the largest telescopes in Greece, a 1.23 metres (48 in) Cassegrain reflector, which was used...

A Compton telescope (also known as a Compton camera or Compton imager) is a gamma-ray detector which utilizes Compton scattering to determine the origin...

Open Telescope (DOT) is an optical solar telescope located on Roque de los Muchachos Observatory, La Palma (near the Swedish 1-m Solar Telescope). With...

Snow Solar Telescope is a solar telescope at the Mount Wilson Observatory in California. It was originally named the Snow Horizontal Telescope as it uses...

The Large Zenith Telescope (LZT) was a 6.0-meter diameter liquid-mirror telescope located in the University of British Columbia's Malcolm Knapp Research...

The Space Surveillance Telescope (SST) is a Southern Hemisphere-based United States Space Force telescope used for detecting, tracking, and cataloguing...

The Newall Telescope is a 62.5 centimetres (24.6 in) refractor in the Penteli Observatory in Penteli, Greece. It was built in 1869 by Thomas Cooke for...

Bloemfontein Centre, the amateur astronomy club of the city, for presenters and telescope assistants. The Boyden Station of Harvard Observatory was founded in 1889...

He collaborated on prominent NASA telescope missions including the Hubble Space Telescope, Spitzer Space Telescope, and Wide-field Infrared Survey Explorer...

Schmidt–Newtonian telescope or Schmidt–Newton telescope is a catadioptric telescope that combines elements from both the Schmidt camera and the Newtonian telescope. In...

time on two 2-metre class telescopes located in Hawaii (Faulkes Telescope North in Hawaii) and Australia (Faulkes Telescope South in Australia). This...

The Fermi Gamma-ray Space Telescope (FGST, also FGRST), formerly called the Gamma-ray Large Area Space Telescope (GLAST), is a space observatory being...

The Samuel Oschin telescope (/ˈɔːʃɪn/), also called the Oschin Schmidt, is a 48-inch-aperture (1.22 m) Schmidt camera at the Palomar Observatory in northern...

The Coudé Auxiliary Telescope (CAT) is a coudé focus telescope located at the Lick Observatory near San Jose, California, south of Shane Dome, Tycho Brahe...

or airship with an astronomical telescope. By carrying the telescope to a sufficiently high altitude, the telescope can avoid cloud cover, pollution...

The William Herschel Telescope (WHT) is a 4.20-metre (165 in) optical and near-infrared reflecting telescope located at the Roque de los Muchachos Observatory...

The ETX ("Everybody's Telescope") is a line of smaller aperture telescopes (60mm to 125mm) made by Meade Instruments. The ETX started out as a 90 mm (3-1/2")...

James Clerk Maxwell Telescope (JCMT) is a submillimetre-wavelength radio telescope at Mauna Kea Observatory in Hawaii, US. The telescope is near the summit...

museum and a café, a reflecting telescope which was the largest in the world for decades and a modern radio telescope. There has been a castle on the...

The Cherenkov Telescope Array Observatory (CTAO) is a multinational project to build a new generation of ground-based gamma-ray instruments in the energy...

Eye to the Telescope is a quarterly online journal of the Science Fiction & Fantasy Poetry Association, which publishes speculative poetry, including...

The Reber Radio Telescope is a historic radio telescope, located at the Green Bank Observatory near Green Bank, West Virginia, United States. Built in...

and worthy of an observatory being built on Pine Mountain. The first telescope became operational in 1967. Former programs gave high-school students...

Space Telescope Science Institute. It is primarily funded by NASA's Origins Program and the Director's Discretionary Fund of the Space Telescope Science...

The Butterfly telescope goldfish (Teichfischer, 1994) is a variant of telescope goldfish that is distinguished by the butterfly-shaped caudal fins when...

reasons. The multi-telescope "outrigger" proposed in 2006 was eventually canceled. A planned new telescope, the Thirty Meter Telescope (TMT), has attracted...

The Automated Patrol Telescope (APT) was a wide-field CCD imaging telescope, operated by the University of New South Wales at Siding Spring Observatory...

The Ooty Radio Telescope (ORT) is located in Muthorai near Ooty, in South Indian state of Tamil Nadu. It is part of the National Centre for Radio Astrophysics...

digital planetarium as well as an historic 93⁄4-inch Cooke refractor telescope, through which evening visitors can observe a variety of Solar System...

Orion Telescopes & Binoculars was an American retail company that sold telescopes, binoculars and accessories online and in-store for astronomy and birdwatching...

The Large Millimeter Telescope (LMT) (Spanish: Gran Telescopio Milimétrico, or GTM), officially the Large Millimeter Telescope Alfonso Serrano (Spanish:...

a historic manufacturer of telescopes, active in the 19th and 20th centuries. They built numerous large research telescopes, including several that were...

"mainstream" radio telescope observations as a "piggy-back" or "commensal" program, using large radio telescopes including the NRAO 90m telescope at Green Bank...

The Mercator Telescope is a 1.2 m telescope at the Observatorio del Roque de Los Muchachos on La Palma. It is operated by the Katholieke Universiteit Leuven...

The Cosmic Anisotropy Telescope (CAT) was a three-element interferometer for cosmic microwave background radiation (CMB/R) observations at 13 to 17 GHz...

reflecting telescope built by Sir Isaac Newton in 1668 is a landmark in the history of telescopes, being the first known reflecting telescope. It was the...

Schopenhauer's Telescope is the debut novel of Irish novelist and poet Gerard Donovan. Published in 2003, the book received general acclaim, appearing...

Telescope is a Canadian documentary series which aired on CBC Television between 1963 and 1973. The series was hosted by Fletcher Markle, which profiled...

was approved for funding in late 2004, with the aim of having the full telescope operational by 2009. The project was jointly run by Cardiff University...

lists the significant events in the invention and development of the telescope. c.2560 BC–c.860 BC — Egyptian artisans polish rock crystal, semi-precious...

Optical Telescope (NOT) is an astronomical telescope located at Roque de los Muchachos Observatory, La Palma in the Canary Islands. The telescope saw first...

the Illinois telescope because it was located at UIUC's Prairie Observatory until 1981. The 0.6 m (24 in) Clifford Smith 24-inch telescope is a Cassegrain...

consortium in the past. It has two reflecting telescopes, the 2.4-meter (95 inches aperture Hiltner Telescope (since 1986), used for galactic surveys, and...

Byrd Green Bank Telescope 140 Foot (43m) Telescope 20 Meter Telescope 40 Foot Telescope One of the CHIME outriggers 300 Foot Radio Telescope – the world's...

optical telescopes for observing celestial objects. This came to be known as Kavalur Observatory. Observations began in 1968 with a 38 cm telescope made...

The Mark II is a radio telescope located at Jodrell Bank Observatory, near Goostrey, Cheshire, in the north-west of England. It was built on the site...

Telescopes or ING consists of three optical telescopes: the William Herschel Telescope, the Isaac Newton Telescope, and the Jacobus Kapteyn Telescope...

The C. Donald Shane telescope is a 120-inch (3.05-meter) reflecting telescope located at the Lick Observatory in Mount Hamilton, California. It was named...

an acronym for Panchromatic Robotic Optical Monitoring and Polarimetry Telescopes, is being[when?] built by the University of North Carolina at Chapel Hill...

An imaging atmospheric Cherenkov telescope (or technique), also known by the acronym IACT, is a device or method to detect very-high-energy gamma ray...

Submillimeter Telescope (SMT), formerly known as the Heinrich Hertz Submillimeter Telescope, is a submillimeter wavelength radio telescope located on Mount...

Middelburg. He is associated with the invention of the first optical telescope and/or the first truly compound microscope, but these claims (made 20...

Schmidt camera, also referred to as the Schmidt telescope, is a catadioptric astrophotographic telescope designed to provide wide fields of view with limited...

about 2.5 km in the Mediterranean Sea, the ANTARES telescope (Astronomy with a Neutrino Telescope and Abyss environmental Research) has been fully operational...

Cambridge. As of 2025, two of the ten telescopes have been installed and verified on-sky. A collection of robotic telescopes for time-domain astronomy, managed...

5 m telescopes comes from the consortium members, but funds for the 2.5 m telescope come from a much wider array of sources. The 1.0 m telescope is supported...

observations took place in 1981 via telescope - Zeiss-1000. In the beginning of the 1980s the process of building of 1.5-m telescope dome began. The dome was 45...

Refracting telescopes use a lens to focus light. The Swedish 1-m Solar Telescope, with a lens diameter of 43 inches, is technically the largest, with...

Telescoping in mechanics describes the movement of one part sliding out from another, lengthening an object (such as a telescope or the lift arm of an...

This list contains proposals for space telescopes, space-based (situated in space) astronomical observatories. It is a list of past and present space observatory...

The Cubic Kilometre Neutrino Telescope, or KM3NeT, is a European research infrastructure located on the bed of the Mediterranean Sea at depths of over...

Optical Telescope Element (OTE) is one of three major sections of the James Webb Space Telescope, a large infrared space telescope launched on 25 December...

commonly known as LUVOIR (/luːˈvwɑːr/), is a multi-wavelength space telescope concept being developed by NASA under the leadership of a Science and...

The Allen Telescope Array (ATA), formerly known as the One Hectare Telescope (1hT), is a radio telescope array dedicated to astronomical observations and...

The Pachmarhi Telescope Array or Pachmarhi Array of Cerenkov Telescopes (PACT) is an array of 24 telescopes for gamma-ray astronomy. It is located at...

The Craig telescope was a large telescope built in the 1850s, and while much larger than previous refracting telescopes, it had some problems that hampered...

The Dunn Solar Telescope, also known as the Richard B. Dunn Solar Telescope, is a unique vertical-axis solar telescope that specializes in high-resolution...

The High Elevation Antarctic Terahertz telescope is a far-infrared telescope, established by the University of Arizona and the University of New South...

contribute to the growth of this observatory. Utilizing a variety of telescopes, USO is known for its solar observations, which include high-resolution...

The IRAM 30m telescope is a radio telescope, located in the Sierra Nevada Mountain Range, Spain. It is operated by the Institute for Radio Astronomy in...

supermassive black holes have been directly imaged by the Event Horizon Telescope; these are Sagittarius A*, at the center of the Milky Way, and the black...

The Balloon-borne Large Aperture Submillimeter Telescope (BLAST) is a submillimeter telescope that hangs from a high-altitude balloon. It has a 2-meter...

The 3.6m Devasthal (Hindi: देवस्थल) Optical Telescope (DOT) is a clear-aperture Ritchey–Chrétien telescope built by Aryabhatta Research Institute of Observational...

during 1999–2000, where it since conducts the Bisei Asteroid Tracking Telescope for Rapid Survey or BATTeRS (バッターズ), an astronomical survey that solely...

The James Lick Telescope is a refracting telescope built in 1888. It has a lens, which is 91 centimetres (36 in) in diameter—a major achievement in its...

The Sun Gun Telescope is a type of solar telescope designed so that large groups of people can view the Sun safely - in particular it was created as a...

with the Hubble Space Telescope, Compton Gamma Ray Observatory (1991–2000), and the Spitzer Space Telescope (2003–2020). The telescope is named after the...

Horwood. The main instrument is the 72-inch-aperture (1.83 m) Plaskett telescope, proposed and designed by John S. Plaskett in 1910 with the support of...

The Baikal Deep Underwater Neutrino Telescope (BDUNT) (Russian: Байкальский подводный нейтринный телескоп) is a neutrino detector conducting research...

The Isaac Newton Telescope or INT is a 2.54 m (100 in) optical telescope run by the Isaac Newton Group of Telescopes at Roque de los Muchachos Observatory...

telescope Lists of telescopes List of optical telescopes List of largest optical reflecting telescopes List of largest optical refracting telescopes List...

patenting in 1941 a catadioptric meniscus telescope design similar to but slightly predating the Maksutov telescope. Bouwers was born in the town of Dalen...

Earth's axis of rotation. This type of mount is used for astronomical telescopes and cameras. The advantage of an equatorial mount lies in its ability...

popularizer of amateur telescope making. He conducted the popular "Gleanings for ATMs" (Amateur Telescope Makers) column in Sky and Telescope magazine for 21...

The Cerro Chajnantor Atacama Telescope (CCAT) is a proposed 25-metre-diameter (82 ft) telescope that is intended to reveal the cosmic origins of stars...

measuring their angular distance from the nadir. These are special purpose telescopes mounted so as to allow pointing only in the meridian, the great circle...

The CALorimetric Electron Telescope (CALET) is a space telescope being mainly used to perform high precision observations of electrons and gamma rays....

Kapteyn Telescope or JKT is a 1-metre optical telescope named for the Dutch astronomer Jacobus Kapteyn (1851–1922) of the Isaac Newton Group of Telescopes at...

The NASA Infrared Telescope Facility (NASA IRTF) is a 3.2-meter (10 ft) telescope optimized for use in infrared astronomy and located at the Mauna Kea...

The Sentinel Space Telescope was a space observatory to be developed by Ball Aerospace & Technologies for the B612 Foundation. The B612 Foundation is...

Chopping is a technique used with infrared telescopes to minimize interference from external or internal heat. The chopper is the mechanism that rocks...

6 meter telescope in La Silla Observatory, Chile, the HIRES spectrometer at the Keck telescopes or EXPRES at the Lowell Discovery Telescope. An especially...

Telescopio InfraRosso del Gornergrat (TIRGO), or the Gornergrat Infrared Telescope, was located on the northern tower of the Kulm Hotel at Gornergrat (3...

he started the Virtual Telescope project (part of Bellatrix Astronomical Observatory), consisting of several robotic telescopes, remotely available in...

The Lunar Crater Radio Telescope (LCRT) is a proposal by the NASA Institute for Advanced Concepts (NIAC) to create an ultra-long-wavelength (that is,...

eleven patches. Each telescope is actually two telescopes giving stereoscopic vision. There is a zoom mechanism built into each telescope as well. While in...

A liquid-mirror space telescope is a concept for a reflecting space telescope that uses a reflecting liquid such as mercury as its primary reflector....

The Pink Clubhouse was built in 1923 at the site by the Springfield Telescope Makers. The name Stellafane, suggested by Porter at the club's December...

1930 by Clyde Tombaugh. Lowell is home to a 24-inch Clark Refracting Telescope, built in 1896, which is still in use today for public observing. Lowell...

an interest in astronomy in 1766, Herschel constructed his first large telescope in 1774, after which he spent nine years carrying out sky surveys to investigate...

sharing a common mount. The Panoramic Survey Telescope and Rapid Response System (Pan-STARRS) is a pair of telescopes plus a computing facility that surveys...

The Space Telescope Science Institute (STScI) is the science operations center for the Hubble Space Telescope (HST), science operations and mission operations...

The New Technology Telescope or NTT is a 3.58-metre Ritchey–Chrétien telescope operated by the European Southern Observatory. It began operations in 1989...

400 Years of the Telescope: A Journey of Science, Technology and Thought is a 2009 American documentary film that was created to coincide with the International...

Submarine Telescope with Oceanographic Research Project) is an international scientific collaboration whose target is the deployment of a neutrino telescope on...

first telescope, a 21-inch reflector, began operating in early 1963. At this time the site was known as Catalina Observatory. The first telescope was at...

Survey Telescope (WFIRST) mission, a renamed JDEM-Omega proposal which has superseded SNAP, Destiny, and Advanced Dark Energy Physics Telescope (ADEPT)...

The Half-Mile Telescope was constructed in 1968 (2 aerials) at the Mullard Radio Astronomy Observatory with two more aerials being added in 1972, using...

variety of astronomical observation via telescopes that are sensitive in the range of visible light (optical telescopes). Visible-light astronomy or optical...

"The Other End (of the Telescope)" is a song by American band 'Til Tuesday, which was released in 1988 on their third and final studio album Everything's...

Synthesis Telescope (MOST) is a radio telescope operating at 843 MHz. It was operated by the School of Physics of the University of Sydney. The telescope is...

The Space Infrared Telescope for Cosmology and Astrophysics (SPICA), was a proposed infrared space telescope, follow-on to the successful Akari space...

The Space Solar Telescope (SST) is a planned Chinese optical space solar telescope. It was first proposed in the 1990s, and is intended to be a 1 metre...

The Goode Solar Telescope (GST) is a scientific facility for studies of the Sun named after Philip R. Goode. It was the solar telescope with the world's...

The Sardinia Radio Telescope (SRT) is 64-metre fully steerable radio telescope near San Basilio, Province of Cagliari, Sardinia, Italy. Completed in 2011...

A balloon-borne telescope is a type of airborne telescope, a sub-orbital astronomical telescope that is suspended below one or more stratospheric balloons...

The MPG/ESO telescope is a 2.2-metre f/8.0 (17.6-metre) ground-based telescope at the European Southern Observatory (ESO) in La Silla, Chile. It was built...

devices for consumer, industrial, aerospace, and military markets. Its telescopes produced for the consumer market were sold under the brand name "Questar"...

Flyeye, or the Near Earth Object Survey TELescope (NEOSTEL), is an astronomical survey and early-warning system for detecting near-Earth objects sized...

The Telescope Array project is an international collaboration involving research and educational institutions in Japan, The United States, Russia, South...

Telescope was the first major telescope to be built at McDonald Observatory. Located in the Davis Mountains in West Texas, the Otto Struve Telescope was...

Telescope Eyes E.P. is an EP of the band Eisley released January 25, 2005 on Reprise Records. All songs written by Eisley. "Eisley". The Houston Chronicle...

Alice P. Lennon Telescope and its Thomas J. Bannan Astrophysics Facility, known together as the Vatican Advanced Technology Telescope (VATT), is a Gregorian...

The Australia Telescope Compact Array (ATCA) is a radio telescope operated by the CSIRO at the Paul Wild Observatory, 25 kilometres (16 mi) west of Narrabri...

telescope or Lurie–Houghton telescope is a catadioptric telescope. Houghton's original design uses a two-lens corrector at the front of the telescope...

are a group of independent astronomical research facilities and large telescope observatories that are located at the summit of Mauna Kea on Hawaiʻi,...

surface of rivers, lakes and seas. A more advanced version, an underwater telescope was patented by Sarah Mather in 1845 - U.S. Patent No. 3,995; it permitted...

Aristarchos 2.3 m Telescope is a Ritchey-Chrétien telescope at the Chelmos Observatory on Mount Chelmos, Greece. It is the largest telescope in the country...

Infra-Red Telescope (UKIRT) is a 3.8 metre (150 inch) infrared reflecting telescope, the second largest dedicated infrared (1 to 30 micrometres) telescope in...

describes the ability of any image-forming device such as an optical or radio telescope, a microscope, a camera, or an eye, to distinguish small details of an...

The Panoramic Survey Telescope and Rapid Response System (Pan-STARRS1; obs. code: F51 and Pan-STARRS2 obs. code: F52) located at Haleakalā Observatory...

frequency-modulated radio waves at a ceremony to mark the remodeling of the Arecibo Telescope in Puerto Rico on 16 November 1974. The message was aimed at the current...

astronomy or street corner astronomy refers to the activity of setting up a telescope in an urban place on a for-profit or non-profit basis as entertainment...

Riverside Telescope Makers Conference at Riverside City College in Riverside, California. It consisted of a series of lectures about astronomy and telescope making...

Teleskop Alt-azimutalnyi, lit. 'Large Altazimuth Telescope') is a 6-metre (20 ft) aperture optical telescope at the Special Astrophysical Observatory located...

The Nuclear Compton Telescope (NCT) is a balloon-borne Compton telescope to observe the gamma-ray sky in the energy range from a few hundred keV to several...

The Galileo National Telescope, (Italian: Telescopio Nazionale Galileo; TNG; code: Z19) is a 3.58-meter Italian telescope, located at the Roque de los...

The Bradford Robotic Telescope (BRT) is an autonomous astronomical telescope located at Teide Observatory, Tenerife in the Canary Islands. It is owned...

The TOLIMAN (Telescope for Orbit Locus Interferometric Monitoring of our Astronomical Neighbourhood) space telescope is a low-cost mission concept aimed...

The Vacuum Tower Telescope (VTT) is an evacuated-optics solar telescope located at the Teide Observatory on Tenerife in the Canary Islands. It is operated...

Millimeter/submillimeter Array (ALMA) is an astronomical interferometer of 66 radio telescopes in the Atacama Desert of northern Chile, which observe electromagnetic...

Chinese Giant Solar Telescope (CGST) is a proposed solar telescope in China. CGST will be an infrared and optical solar telescope. Its spatial resolution...

Swope telescope. du Pont telescope Warsaw telescope dome and control building Warsaw telescope Clay telescope (one of the Magellan telescopes) Magellan...

reflecting telescopes – List of large optical telescopes List of largest optical refracting telescopes List of space telescopes List of solar telescopes List...

The Viper telescope was a 2-metre telescope used to observe the submillimetre band from the South Pole. This telescope was located at the Center for Astrophysical...

by a liquid See also specular reflection Liquid-mirror telescope Liquid-mirror space telescope This disambiguation page lists articles associated with...

The Suffa RT-70 radio telescope (Russian: Суффа РТ-70) is an RT-70 radio telescope at the Suffa Radio Observatory on the Suffa plateau in Uzbekistan. Construction...

director of the Space Telescope Science Institute, the operations center for the Hubble Space Telescope and James Webb Space Telescope. Her research also...

The Hopkins Ultraviolet Telescope (HUT) was a space telescope designed to make spectroscopic observations in the far-ultraviolet region of the electromagnetic...

most likely due to incorrect estimation of the telescope's sensitivity. The Fermi Gamma-ray Space Telescope is searching for similar gamma rays. In 2009...

astronomer and is best known for the Dobsonian telescope, a portable, low-cost Newtonian reflector telescope. He was also known for his efforts to promote...

announced that the Wide Field Infrared Survey Telescope would be named the Nancy Grace Roman Space Telescope in recognition of her enduring contributions...

amateurs. In 2001, undocumented and dual-use of 44.0.0.0/8 as a network telescope began, recording the spread of the Code Red II worm in July 2001. In mid-2019...

Origins Space Telescope (Origins) is a concept study for a far-infrared survey space telescope mission. A preliminary concept in pre-formulation, it was...

ground-based and other space-based observatories, the James Webb Space Telescope (JWST) is expected to give more insight into exoplanet traits, such as...

first published scientific work based on observations made through a telescope, and it contains the results of Galileo's early observations of the imperfect...

ground-based telescopes (like the Keck Telescope and the Very Large Telescope), and is a high contrast imaging mode on the James Webb Space Telescope. This technique...

The Maunakea Observatories have been controversial since the first telescope was built in the late 1960s. Originally part of research begun by Gerard...

Submillimetre Telescope (SEST) is a 15-metre diameter radio telescope. It is located at the La Silla Observatory in Chile. The telescope was built in 1987...

Mira variable stars. The 17 in (0.43 m) Dean Glace Telescope is a corrected Dall-Kirkham telescope made by Planewave and set on a Mathis equatorial fork...

Advanced Electro Optical System Telescope is a Department of Defense telescope at Haleakala Observatory. The telescope is part of the Maui Space Surveillance...

as searchlights, headlamps, early lighthouse focusing systems, optical telescopes, microscopes, and telephoto lenses. Other optical systems that use lenses...

eight 6-metre diameter radio telescopes. The largest existing submillimetre telescope, the James Clerk Maxwell Telescope, is also located on Mauna Kea...

Giant Ukrainian Radio Telescope (GURT, Ukrainian: Гігантський Український Радіотелескопcode: ukr promoted to code: uk , ГУРТcode: ukr promoted to code:...

Harlan J. Smith Telescope is a 107-inch (2.7 m) telescope located at the McDonald Observatory, in Texas, in the United States. This telescope is one of several...

The Mauritius Radio Telescope (MRT) is a synthesis radio telescope in Mauritius that is used to make images of the sky at a frequency of 151.5 MHz. The...

South Pole Telescope (SPT) is a 10-metre (390 in) diameter telescope located at the Amundsen–Scott South Pole Station, Antarctica. The telescope is designed...

The UK Schmidt Telescope (UKST) is a 1.24 metre Schmidt telescope operated by the Australian Astronomical Observatory (formerly the Anglo-Australian Observatory);...

The ESO 3.6 m Telescope is an optical reflecting telescope run by the European Southern Observatory at La Silla Observatory, Chile since 1977, with a clear...

The Algonquin 46m radio telescope (ARO) is a radio telescope at the Algonquin Radio Observatory, Canada. This radio telescope is historically famous for...

telescope (Polarized Light from Atmospheres of Nearby ExtraTerrestrial Systems) is a precursor and technology demonstrator for the Colossus Telescope...

The problems involved have largely been resolved, with all but the "telescope conjecture" being proved in later papers by others. Ravenel's conjectures...

or Rosse six-foot telescope, is a historic reflecting telescope of 72 inches (1.83 m) aperture, which was the largest telescope in the world from 1845...

Münstereifel. The hill is partly forested, but on the summit around the radio telescope, it is treeless. Its upper northern and western slopes are used for agriculture...

disk around the event horizon of Sagittarius A*, using the Event Horizon Telescope, a world-wide network of radio observatories. This is the second confirmed...

Stereoscopic System (H.E.S.S.) is a system of imaging atmospheric Cherenkov telescopes (IACTs) for the investigation of cosmic gamma rays in the photon energy...

also carry telescopes for observing the Sun in ultraviolet. The Hubble Space Telescope and FUSE have been the most recent major space telescopes to view...

and operated by the WIYN Consortium. Its 3.5-meter telescope is the second largest optical telescope at Kitt Peak National Observatory in Arizona. Most...

Southern Astrophysical Research (SOAR) telescope is a modern 4.1-meter-aperture (13 ft) optical and near-infrared telescope located on Cerro Pachón, Chile, at...

launched Hubble Space Telescope was found to have a flawed primary mirror. He oversaw the recovery effort that led to the telescope's repair during the 1993...

divergence. Since the magnification provided by a telescope and eyepiece is equal to the telescope's focal length divided by the eyepiece's focal length...

The Primeval Structure Telescope (PaST), also called 21 Centimetre Array (21CMA), is a Chinese radio telescope array designed to detect the earliest luminous...

Antarctic Submillimeter Telescope and Remote Observatory, or AST/RO, was a 1.7 meter diameter off-axis telescope for research in astronomy and aeronomy...

Hard X-ray Modulation Telescope (HXMT) also known as Insight (Chinese: 慧眼) is a Chinese X-ray space observatory, launched on June 15, 2017 to observe...

The Pfund telescope, originated by A.H. Pfund, provides an alternative method for achieving a fixed telescope focal point in space regardless of where...

largest optical telescopes in the 19th century includes what were large optical telescopes for their time. See List of largest optical telescopes in the 20th...

The M49 spotting scope, also known as the M49 observation telescope, is a multipurpose scope system used primarily for long range marksmanship observation...

the constellation of Cygnus. It was discovered by NASA's Kepler Space Telescope in December 2011 and was the first known transiting planet to orbit within...

Leonhard Euler Telescope, or the Swiss EULER Telescope, is a national, fully automatic 1.2-metre (47 in) reflecting telescope, built and operated by the...

The Transient Array Radio Telescope (TART) is a low-cost open-source array radio telescope consisting of 24 all-sky GNSS receivers operating at the L1-band...

high-end American telescope and optics instrument manufacturer. OMI was founded in 2002 and produces observatory telescopes, Lidar telescopes, optical tube...

twin refractor telescope Telescope enclosures at the observatory One of two Celestron C14 reflector telescopes at ULO Fry refractor telescope, the observatory's...

The Apollo Telescope Mount, or ATM, was a crewed solar observatory that was a part of Skylab, the first American space station. It could observe the Sun...

resident, Colonel Henry Heberden JP, had a 10.5-inch Newtonian reflecting telescope that he wanted to donate to a Society in order for it to be made available...

Great Paris Exhibition Telescope of 1900, with an objective lens of 1.25 m (49 in) in diameter, was the largest refracting telescope ever constructed. It...

also called tilted-component telescopes (TCT) and off-axis reflecting telescopes, are a type of reflecting telescope featuring an off-axis secondary...

Keck Telescopes as the second or third largest telescope in the world. However, its cost was about 20% that of other similarly sized telescopes in use...

signals from two or more telescopes to obtain measurements with higher resolution than could be obtained with either telescopes individually. This technique...

largest optical telescopes in the British Isles, including in the United Kingdom and Ireland. Several historically important telescopes were located in...

aperture telescope, the Stratospheric Observatory for Infrared Astronomy (SOFIA). SOFIA completed its first test flight on April 26, 2007 and its telescope saw...

The Nicholas U. Mayall Telescope, also known as the Mayall 4-meter Telescope, is a four-meter (158 inches) reflector telescope located at the Kitt Peak...

assisted in the controversy over trying to figure out who invented the telescope. He had a local magistrate in Middelburg in the Netherlands follow up...

The Extreme ultraviolet Imaging Telescope (EIT) is an instrument on the SOHO spacecraft used to obtain high-resolution images of the solar corona in the...

de Chajnantor is home to the largest and most expensive astronomical telescope project in the world, the Atacama Large Millimeter Array (ALMA). Llano...

the practice and study of observing celestial objects with the use of telescopes and other astronomical instruments. As a science, the study of astronomy...

the 1930s, Horn d'Arturo created the tessellated telescope, a progenitor of segmented mirror telescopes. In 1932 Horn d'Arturo began to work on a new idea...

large radio antennas referred to as radio telescopes, that are either used alone, or with multiple linked telescopes utilizing the techniques of radio interferometry...

Through a Telescope is a 1913 American silent comedy short film produced by the Eclair American Motion Picture Company and distributed through Universal...

housing the historic Newall Refractor, which was the largest refracting telescope in the world when it was built in 1869. From 1959 to 1980 it was a major...

key telescope properties were: 1.45 × 0.5 m primary mirror for each telescope 1.0 × 0.5 m focal plane array on which light from both telescopes was projected...

in Earth orbit from 1991 to 2000. The observatory featured four main telescopes in one spacecraft, covering X-rays and gamma rays, including various specialized...

Operation Telescope was a Franco-British operation conducted from 5 to 6 November 1956 during the Suez Crisis, consisting of a series of parachute drops...

The Adjustable Ranging Telescope (ART) is a weapons sighting system typically used as a military rifle scope which was initially designed for service...

campus on Mars Hill in Flagstaff, Arizona. The 1.83 m (72 in) Perkins Telescope is shared with Boston University (BU) and Georgia State University. Built...

formed very early in cosmological time as observed by the James Webb Space Telescope (JWST). PBHs have long been considered possibly important if not nearly...

The National Large Solar Telescope (NLST) is a Gregorian multi-purpose open telescope, in Merak village (altitude ~ 4,200 m) on the southern shore of Pangong...

established. Infrared and optical astronomy are often practiced using the same telescopes, as the same mirrors or lenses are usually effective over a wavelength...

A tower viewer is a telescope or pair of binoculars permanently mounted on a stalk. The device magnifies objects through its lenses, allowing users to...

Newton Telescope Jacobus Kapteyn Telescope Liverpool Telescope (2003– ) MAGIC MASCARA Mercator Telescope Nordic Optical Telescope Swedish Solar Telescope Wide...

The Yevpatoria RT-70 radio telescope (P-2500, RT-70) is an RT-70 radio telescope and planetary radar at the Center for Deep Space Communications, Yevpatoria...

The Xinjiang Qitai 120m Radio Telescope (QTT) is a planned radio telescope to be built in Qitai County in Xinjiang, China. Upon completion, which is scheduled...

rather than a more fundamental change. A study using the Hubble Space Telescope suggests that occluding dust was created by a surface mass ejection; this...

bioptic in the singular, and sometimes more formally termed a bioptic telescope, is a term for a pair of vision-enhancement lenses. They magnify between...

As Seen Through a Telescope (AKA: The Professor and His Field Glass) is a 1900 British short silent comedy film, directed by George Albert Smith, featuring...

MeerKAT, originally the Karoo Array Telescope, is a radio telescope consisting of 64 antennas in the Meerkat National Park, in the Northern Cape of South...

The ANU 2.3 metre telescope is an optical telescope situated at Siding Spring Observatory, and operated by the Australian National University's Research...

The Solar Submillimeter Telescope (SST) is a solar telescope located at the Leoncito Astronomical Complex in San Juan Province, Argentina. The SST observes...

nebulae invisible to the human eye. Specialized and ever-larger optical telescopes were constructed as essentially big cameras to record images on photographic...

Lawrence (blue), Bradman (black and white). A feature of note is a radio telescope dish salvaged from the Paul Wild Observatory at Culgoora, west of Narrabri...

Atmosphere and Telescope Simulators for astronomy education, are used because time in science-worthy class telescopes are generally expensive and difficult...

"Aristarchos" telescope, an optical telescope designed and manufactured by the German company Carl Zeiss AG. The size of the telescope mirror, the largest...

There are six optical telescopes on the summit of the Sierra San Pedro Mártir at the OAN complex: The 2.12 m (83 in) telescope was built between 1974...

The Chinese Future Giant Telescope is a proposed ground-based optical telescope with a primary mirror that has a 30-meter diameter.It encompasses ground-based...

(22 July 1907 – 13 March 1975) by installing his Reinfelder & Hertel telescope in a newly created astronomical observatory. The observatory has the further...

The Mills Cross Telescope was a two-dimensional radio telescope built by Bernard Mills in 1954 at the Fleurs field station of the Australian Commonwealth...

of optical systems, by assembling a 1.5-metre telescope on the International Space Station. The telescope will consist of six segments, with active co-phasing...

moved to Cerro Calán but the telescope was never installed at the new facility. A 9 cm (3.5 in) Bamberg transit telescope was purchased in 1910. A 19 cm...

The Carlsberg Meridian Telescope (formerly the Carlsberg Automatic Meridian Circle) is a decommissioned meridian circle telescope located at the Roque de...

The James Webb Space Telescope (JWST) is an international 21st-century space observatory that was launched on 25 December 2021. It is intended to be the...

The Whole Earth Telescope is an international network of astronomers that collaborate to study variable stars. The distribution of the observatories in...

Susan Murabana Owen is a Kenyan astronomer. The co-founder of Travelling Telescope, she is known for her efforts to promote science, technology, engineering...

The European Solar Telescope (EST) is a pan-European project to build a next-generation 4-metre class solar telescope, to be located at the Roque de los...

The Galenki RT-70 radio telescope (Russian: Галёнки РТ-70) is an RT-70 telescope at the East Center for Deep Space Communications, Galenki (Ussuriysk)...

surface is a surface of a radio telescope that is under active computer control of its shape. Large radio telescopes (more than 10 m in diameter or length)...

The Radio Solar Telescope Network (RSTN) is a network of solar observatories maintained and operated by the 557th Weather Wing, ACC. The RSTN consists...

Burrell telescope, which was later moved to Kitt Peak National Observatory. Instead of Burrell the station was equipped with the 36-inch robotic telescope. In...

The Atacama Cosmology Telescope (ACT) was a cosmological millimeter-wave telescope located on Cerro Toco in the Atacama Desert in the north of Chile. ACT...

in astronomical adaptive optics systems, which are employed in large telescopes in order to correct atmospheric distortion of light, a phenomenon termed...

hardware components, software systems, and support equipment involved in telescope construction and operation, including mounts, optics such as mirrors and...

The ARO 12m Radio Telescope (ARO12m or KP12m) is a 12-meter dish located on Kitt Peak, approximately 60 mi (97 km) from Tucson in Arizona at an elevation...

The telescope hornsnail, scientific name Pleurocera walkeri, is a species of freshwater snail in the family Pleuroceridae. This species is endemic to...

the McClean telescope, discovered the presence of oxygen in a number of stars using an objective prism attached to the Astrographic Telescope. In 1911,...

first underwater telescope. Sarah Mather (fl. 1840s–1860s) was an American inventor best known for developing an early submarine telescope, a device that...

showing the Moon and the planets as he saw them through a self-constructed telescope. Fontana was close to the botanist Fabio Colonna, who commissioned him...

NPOI. The KSAR Telescope's 18-meter (60-foot) diameter steel dome is quite large for the telescope's aperture, owing to its telescope's long f/9.8 focal...

NASA center is the Space Telescope Science Institute (STScI), responsible for the science mission for the Hubble Space Telescope, the science and operations...

is primarily known for the patent application he made for an optical telescope in October 1608, a few weeks after Hans Lippershey submitted a patent...

Spa and Holy Trinity Church, Leamington Spa, and funding of the Craig telescope. Craig was born in 1805 in Blackrock, Dublin, where his father Robert...

establish public astronomy facilities in the Wairarapa. The Ruth Crisp Telescope, a 16-inch (41 cm) Boller and Chivens Cassegrain reflector, was donated...

The OVRO 40 meter Telescope is a radio telescope at the Owens Valley Radio Observatory near Big Pine, California, US. It is owned and operated by Caltech...

Telescoping generations can occur in parthenogenetic species, such as aphids or other life forms that have the ability to reproduce without ovum fertilization...

large telescopes, their shapes and terrain remaining a mystery. The best modern ground-based telescopes and the Earth-orbiting Hubble Space Telescope can...

January 1867) was a Bavarian optician and manufacturer of astronomical telescopes and other optical instruments. Merz was born on 26 January 1793 in Bichl...

Otter, the gondola itself had not been recovered by August 2001. The telescope was called part of the "Submillimeter Astrophysics Experiment" for Dr...

Established in 1916, the first telescope and building were formally dedicated on April 23, 1923. It operates, or is a partner in telescopes at five mountain-top...

into its own equivalent circuit. The two telescopes were designated a "low-energy" and "high-energy" telescope, differing only in the amount of shielding...

a 16" fully automated telescope with a 5" refractor and is ideal for research, astrophotography and public use. The telescopes are available for Discovery...

The One-Mile Telescope at the Mullard Radio Astronomy Observatory (MRAO), Cambridge, UK is an array of radio telescopes (two fixed and one moveable, fully...

Samuel Oschin telescope at Palomar Observatory in California, United States. The discovery images of Makemake were taken by this telescope on March 31,...

Measurements by other astronomers using 21 centimeter hydrogen line radio telescopes clinched the case. Honored during her lifetime for her work, she received...

Anisotropy Telescope (MAT), also known as the Mobile Anisotropy Telescope on Cerro Toco (MAT/TOCO or TOCO) was a ground-based radio telescope experiment...

Bautista, California. Fremont Peak Observatory houses the Challenger telescope. The observatory is named after the mountain it resides on, Fremont Peak...

Timeline of telescopes, observatories, and observing technology. Taosi Astronomical Observatory, Xiangfen County, Linfen City, Shanxi Province, China Shadow...

solar telescope protests were a series of protests and demonstrations attempting to block the construction of the Daniel K. Inouye Solar Telescope (DKIST)...

The Energetic Gamma Ray Experiment Telescope (EGRET) was one of four instruments outfitted on NASA's Compton Gamma Ray Observatory satellite. Since lower...

Telescopio Canarias (GranTeCan or GTC) is a 10.4 m (410 in) reflecting telescope located at the Roque de los Muchachos Observatory on the island of La...

15 October 2022 upon the commissioning of INO340, a home-grown optical telescope with a primary mirror of 3.4 m, making it by far the country's largest...

on May 16, 2025 by the NIRcam instrument aboard the James Webb Space Telescope (JWST). That image captured the galaxy during its formation about 280...

COAST, the Cambridge Optical Aperture Synthesis Telescope, is a multi-element optical astronomical interferometer with baselines of up to 100 metres,...

radio astronomy observatories are collectively known as the Australia Telescope National Facility (ATNF), with the facility supporting Australia's research...

In astronomy, a transit instrument is a small telescope with an extremely precisely graduated mount used for the precise observation of star positions...

south of the Haystack dome and east of the Westford dome. The Amateur Telescope Makers of Boston has its clubhouse on the MIT property. Haystack Vallis...

any spacecraft except space telescopes Telescope – ground-based and space telescopes; organizations that operate telescopes (for example, the National...

The 40-foot radio telescope at Green Bank Observatory in the U.S. state of West Virginia was constructed in 1961, and started observing a selection of...

telescope mounted so it can rotate around horizontal and vertical axes and provide angular readouts. These indicate the orientation of the telescope,...

Phoebe Waterman Haas Public Observatory with a 16–inch telescope is a U.S. public observatory located at the National Air and Space Museum in Washington...

industry forum in Bordeaux, France. In December 2024, Telescope Games, a subsidiary of Telescope Animation, released Lani's Call, a short narrative game...

The James Webb Space Telescope (JWST) is a space telescope designed primarily to conduct infrared astronomy. Its complex launch and commissioning process...

television program created by Sky & Telescope magazine. The show was hosted by Tony Flanders, associate editor of Sky & Telescope magazine. Each episode of the...

a telescope at the Royal Observatory, Greenwich, where it was first installed in 1893. It is a 28-inch ( 71 cm) aperture objective lens telescope, otherwise...

giant telescopes. His 72-inch telescope, built in 1845 and colloquially known as the "Leviathan of Parsonstown", was the world's largest telescope, in terms...

study Herbig–Haro objects in detail. The telescope has not been upgraded with a digital sensor. A solar telescope was donated by Erro some time before 1957...

The Bernard Lyot Telescope (Téléscope Bernard Lyot, or TBL) is a 2-meter Cassegrain telescope operating in the visible domain since 1980. It is located...

Space Telescope – NASA/ESA space telescope launched in 1990 Spitzer Space Telescope – NASA infrared space telescope (2003–2020) Hubble Space Telescope Advanced...

houses two single-dish antenna telescopes, 32 metres and 15 metres in diameter, as well as the largest Polish optical telescope – 90 cm Schmidt-Cassegrain...

Spectroscopic Telescope Array, also named Explorer 93 and SMEX-11) is a NASA space-based X-ray telescope that uses a conical approximation to a Wolter telescope to...

The Super-pressure Balloon-borne Imaging Telescope (SuperBIT) is a highly stabilized, high-resolution telescope that operates in the stratosphere via NASA's...

relationship between two or more points, for which an inbuilt optical telescope and a highly accurate bubble level are used to achieve the necessary accuracy...

The Cambridge Low-Frequency Synthesis Telescope (CLFST) is an east-west aperture synthesis radio telescope currently operating at 151 MHz. It consists...

look bigger by allowing the user to hold them closer to their eye. A telescope, which uses its large objective lens or primary mirror to create an image...

top-grossing Australian film in 2000. An old man drives up to the Parkes Radio Telescope to admire the dish. A technician gently cautions him that he has driven...

He was also the first person to make a drawing of the Moon through a telescope, on 5 August 1609, about four months before Galileo Galilei. After graduating...

The Modified Dall–Kirkham telescope uses an elliptical primary and spherical secondary mirror as in the conventional Dall-Kirkham configuration, but also...

Observatory (Turkish: Doğu Anadolu Gözlemevi, shortly DAG) is a 4-meter telescope, ground-based astronomical observatory of Atatürk University in Erzurum...

University using the Spitzer Space Telescope and the Hubble Space Telescope, as well as two Earth-bound telescopes in Chile. Comparison between the Sun...

Galilei first resolved the band of light into individual stars with his telescope in 1610. Until the early 1920s, most astronomers thought that the Milky...

iconic of these is the large decimetric radio telescope, which is one of the largest radio telescopes in the world. Long established are also the radio...

reflecting telescopes, and famous examples of its use were Newton's telescope, the Leviathan of Parsonstown, and William Herschel's telescope used to discover...

primary concave mirror and a secondary convex mirror, often used in optical telescopes and radio antennas, the main characteristic being that the optical path...

provided an accessible but dark sky site only 35 miles from campus. The telescope went into operation in January 1969 and closed on April 1, 1981. In early...

Linked Interferometer Network (MERLIN) is an interferometer array of radio telescopes spread across England. The array is run from Jodrell Bank Observatory...

Planets and Planetesimals Small Telescope (TRAPPIST) is the corporate name for a pair of Belgian optic robotic telescopes. TRAPPIST–South, which is situated...

small and light, indicative of a spiral galaxy; but the Spitzer Space Telescope found that the halo was significantly larger and more massive than previously...

Cosmology Telescope (ACT) and the Simons Array were located nearby but these instruments have now been replaced by the current (3 small-aperture telescopes and...

The Astronomical Roentgen Telescope X-ray Concentrator (ART-XC) is an X-ray telescope with a grazing incidence mirror that is capable of capturing high...

diffracting around the support vanes of the secondary mirror in reflecting telescopes, or edges of non-circular camera apertures, and around eyelashes and eyelids...

The Siberian Solar Radio Telescope (SSRT) is a radio telescope located in the Russian republic of Buryatia designed for solar observation. It has been...

Australia. The Zadko Observatory was created in 2008 to host the Zadko Telescope, a 1.0m instrument donated to the University of Western Australia by James...

spectroscopy and robotic telescopes. It is a partner of the Large Binocular Telescope in Arizona, has erected robotic telescopes in Tenerife and the Antarctic...

near the peak. There is an observatory at the top of Doddabetta with two telescopes available for the public. It was opened on 18 June 1983 and is run by...

it consists of the following missions: ground-based Keck telescopes* Large Binocular Telescope Interferometer* Keck Interferometer* airborne Stratospheric...

cutaway drawing and is sometimes referred to as the "founder of amateur telescope making." Russell W. Porter, the youngest of five children, was born in...

located on the Moon's far side. Wright, Chris. "NASA Might Put a Huge Telescope on the Far Side of the Moon". Wired. ISSN 1059-1028. Retrieved 2022-09-01...

the 12-inch (30.5 cm) Zeiss refracting scope, making it the most viewed telescope in the world. The space theme prevails in the interior. On December 16...

The Infrared Optical Telescope Array (IOTA) was a stellar interferometer array. IOTA began with an agreement in 1988 among five Institutions, the Smithsonian...

parabolic reflector). They are used as objectives for large reflecting telescopes. To function, all the mirror segments have to be polished to a precise...

Hydrogen Intensity Mapping Experiment (CHIME) is an interferometric radio telescope at the Dominion Radio Astrophysical Observatory in British Columbia, Canada...