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K2-3c
K2-3c also known as EPIC 201367065 c is an exoplanet orbiting K2-3 a red dwarf, every 24 days 137 ly away.〔〔http://exoplanet.eu/catalog/K2-3_c/〕 It has a density of 1.82g/cm3 indicating that it could be a Gas dwarf or a Mini-Neptune, it is one of the smallest gas planets ever discovered. Despite not being the smallest planet in the system by radius,〔(【引用サイトリンク】 title=K2-3 PLANET HOST PAGE )〕 by mass it is by far the least massive with a mass only double of that of Earth.〔 ==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「K2-3c」の詳細全文を読む
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