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HD 27894 b is a gas giant with a mass at least two thirds that of Jupiter, or twice that of Saturn. The distance from the planet to the star is one third compared that of Mercury from our Sun, and it takes almost exactly 18 days to complete one roughly circular orbit.〔 ==References== 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「HD 27894 b」の詳細全文を読む スポンサード リンク
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