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Kitt Peak National Observatory
(Encyclopedia)Kitt Peak National Observatory, astronomical observatory located southwest of Tucson, Ariz.; it was founded in 1958 under contract with the National Science Foundation and is administered by the Assoc...black hole
(Encyclopedia)black hole, in astronomy, celestial object of such extremely intense gravity that it attracts everything near it and in some instances prevents everything, including light, from escaping. The term was...Lick Observatory
(Encyclopedia)Lick Observatory, astronomical observatory located on Mt. Hamilton, Calif., near San Jose; the first mountaintop observatory in the world, it was founded through gifts made by James Lick in 1874–75 ...Siding Spring Observatory
(Encyclopedia)Siding Spring Observatory, astronomical observatory located on Siding Spring Mountain, near Coonabarabran, at an altitude of nearly 4,000 ft (1,220 m) in the Warrumbungle Mts. of New South Wales, Aust...coronagraph
(Encyclopedia)coronagraph kərōˈnəgrăfˌ [key], device invented by the French astronomer B. Lyot (1931) for the purpose of observing the corona of the sun and solar prominences occurring in the chromosphere. Be...Mir, Soviet and Russian space station
(Encyclopedia)Mir, Soviet and Russian space station: see space exploration; space station. ...European Space Research and Technology Center
(Encyclopedia)European Space Research and Technology Center (ESTEC): see European Space Agency. ...Mount Stromlo Observatory
(Encyclopedia)Mount Stromlo Observatory, astronomical observatory located on Mt. Stromlo, near Canberra, Australia. Established in 1924 (14 years after the first telescope was erected there), it has been operated b...Fred Lawrence Whipple Observatory
(Encyclopedia)Fred Lawrence Whipple Observatory, astronomical observatory located 35 mi (56 km) S of Tucson, Ariz., at an altitude of 8,500 ft (2,590 m). It is operated jointly by the Smithsonian Astrophysical Obse...variable star
(Encyclopedia)variable star, star that varies, either periodically or irregularly, in the intensity of the light it emits. Other physical changes are usually correlated with the fluctuations in brightness, such as ...Browse by Subject
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