Kepler-117

Auteur(s): 圆头锇叠

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Kepler-117, also known as KOI-209, is a distant F-type main-sequence star about 4,960 light-years away in the constellation Cygnus. It hosts two planets, one superjovian and one neptunian, orbiting between 0.14 and 0.27 AU from their star

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