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Kepler-445d
Kepler-445d is an exoplanet orbiting the red dwarf Kepler-445 every 8 days in the circumstellar habitable zone.〔http://exoplanetarchive.ipac.caltech.edu/cgi-bin/DisplayOverview/nph-DisplayOverview?objname=Kepler-445+d&type=CONFIRMED_PLANET〕 It has a surface temperature of making it suitable for life.〔http://exoplanetarchive.ipac.caltech.edu/cgi-bin/DisplayOverview/nph-DisplayOverview?objname=Kepler-445+d&type=CONFIRMED_PLANET〕 PHL has currently not assessed the planet for habitability.〔http://phl.upr.edu/projects/habitable-exoplanets-catalog〕 ==Physical characteristics== Kepler-445d is only slightly larger than the Earth, with a radius of 1.25 R⊕. According to PHL's calculators, the mass required for the planet to have the same density as the Earth is around 2 M⊕.〔(PHL's calculators )〕
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「Kepler-445d」の詳細全文を読む
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