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На этой странице приведены все страницы, которые ссылаются на http://www.astronomy.com/news/2008/02/next-generation-missions. Показаны документы 1 - 1 из 1.
1. A trio of super-Earths | Astronomy.com
... Tonight's Sky . ... Observing . ... The double star 54 Leonis, spiral galaxy NGC 3198, and emission nebula NGC 3199 . ... A trio of super-Earths . ... The three planets, having 4.2, 6.7, and 9.4 times the mass of the Earth, orbit the star HD 40307 with periods of 4.3, 9.6, and 20.4 days, respectively. ... The analysis of all the stars studied with HARPS shows that about one third of all solar-like stars have either super-Earth or Neptune-like planets with orbital periods shorter than 50 days." ...
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Ссылки http://www.astronomy.com/news/2008/06/a-trio-of-super-earths -- 69.7 Кб -- 10.04.2016
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