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На этой странице приведены все страницы, которые ссылаются на http://www.sai.msu.su/apod/lib/open_clusters.html. Показаны документы 1 - 1 из 1.
1. APOD: June 18, 1996 - Seven Sisters Versus California
... June 18, 1996 . Seven Sisters Versus California . ... Explanation: In the lower left corner, dressed in blue, is the Pleiades . Also known as the Seven Sisters and M45 , the Pleiades is one of the brightest and most easily visible open clusters on the sky. The Pleiades contains over 3000 stars, is about 400 light years away, and only 13 light years across. ... Named for its shape, the California Nebula is much dimmer and hence harder to see than the Pleiades. ... About APOD | ...
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Ссылки http://www.sai.msu.su/apod/ap960618.html -- 4.9 Кб -- 02.10.2012
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