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1. A giant surprise | Astronomy.com
... Tonight's Sky . ... Observing . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... A giant surprise . Planet-bearing giant stars tend to be more metal-poor than other stars with planets. ... This trend is surprising: It is opposite the one seen in planet-bearing main sequence stars and suggests stars more massive than the Sun may give birth to planets in a different way. ... Only registered members of Astronomy.com are allowed to comment on this article. ...
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Ссылки http://www.astronomy.com/news/2005/09/a-giant-surprise -- 69.5 Кб -- 09.04.2016
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