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1. Our galaxy's double halo | Astronomy.com
... milky way . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... Our galaxy's double halo . ... Tumlinson, a galaxy formation theorist who was not part of the discovery team, said it was possible that stars from the "outer halo" are among the oldest parts of the Milky Way. ... The outer halo formed later from small galaxies orbiting the Milky Way in the reverse direction. ... Only registered members of Astronomy.com are allowed to comment on this article. ...
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Ссылки http://www.astronomy.com/news/2007/12/our-galaxys-double-halo -- 71.2 Кб -- 10.04.2016
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