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Дата изменения: Unknown
Дата индексирования: Sun Apr 10 00:03:40 2016
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Поисковые слова: redshift survey
U.S. Naval Observatory, AstroGuide Listing
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U.S. Naval Observatory

Positions & motions of the Earth, Sun, Moon, planets, stars, etc., providing astronomical data; determining precise time; measuring the Earth's Rotation and maintaining the Master Clock.
Last Update October 26, 2004
Listed Since July 15, 1998
Address
3450 Mass. Avenue, NW
Washington, DC 20392-5420
United States
Web Site
http://www.usno.navy.mil/
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506
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