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HD 10180 c HD 10180 c is an extrasolar planet approximately 130 light-years away in the constellation Hydrus. With a minimum mass comparable to that of Neptune, it is of the class of planets known as Hot Neptunes. Dynamical simulations suggest that if the mass gradient was any more than a factor of two, the system would not be stable. While planet c does not exist in any mean motion resonances, both planets with adjacent orbits (b and d) share near resonances with c.
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 10180 c」の詳細全文を読む
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