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Hubble's law
(Encyclopedia) Hubble's law, in astronomy, statement that the distances between galaxies (see galaxy) or clusters of galaxies are continuously increasing and that therefore the universe is expanding…Samarkand
(Encyclopedia) SamarkandSamarkandsămərkăndˈ, Rus. səmərkäntˈ [key], city (1991 pop. 395,000), capital of Samarkand region, in Uzbekistan, on the Trans-Caspian RR. It is one of the oldest existing…neutrino
(Encyclopedia) neutrinoneutrinon&oomacr;trēˈnō [key] [Ital.,=little neutral (particle)], elementary particle with no electric charge and a very small mass emitted during the decay of certain…Columbia University
(Encyclopedia) Columbia University, mainly in New York City; founded 1754 as King's College by grant of King George II; first college in New York City, fifth oldest in the United States; one of the…Copenhagen
(Encyclopedia) Copenhagen Copenhagen kōˈpənhāˌgən, –häˌgən [key], Dan. København…New Zealand Department of State Background
U.S. Department of State Background Note New ZealandMaori performers participate in a welcoming ceremony, Wellington, New Zealand, October 31, 2006. [© AP Images] PROFILEOFFICIAL NAME:New…Washington, D.C.
(Encyclopedia) Washington, D.C., capital of the United States, coextensive (since 1878, when Georgetown became a part of Washington) with the District…astronomy
(Encyclopedia) astronomy, branch of science that studies the motions and natures of celestial bodies, such as planets, stars, and galaxies; more generally, the study of matter and energy in the…Pluto, in astronomy
(Encyclopedia) Pluto, in astronomy, a dwarf planet and the first Kuiper belt, or transneptunian, object (see comet) to be discovered (1930) by astronomers. Pluto has an elliptical orbit usually lying…space shuttle
(Encyclopedia) space shuttle, reusable U.S. space vehicle (1981–2011). Developed by the National Aeronautics and Space Administration (NASA) and officially known as the Space Transportation System (…Trending
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