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1. Accomplishments National Astronomy and Ionosphere Center (Arecibo Observatory)
NATIONAL ASTRONOMY AND IONOSPHERE CENTER . ... Arecibo Ionospheric Observatory Commissioned for service, 1 November, 1963. ... One of its first accomplishments: Establishing the rotating rate of Mercury, which turned out to be 59 days rather than the previously estimated 88 days. €а . ... The National Astronomy and Ionosphere Center (NAIC) begins. €а . ... First radar ranging to an Earth-crossing asteroid (1862 Apollo) . ... 2007 . ... Asteroid 2007 TU24 passed only 1.4 times the distance to the moon. ...
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Ссылки http://www.naic.edu/general/index.php?option=com_content&view=article&id=229:news&catid=105&Itemid=632 -- 32.0 Кб -- 13.04.2016
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