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79 Ceti 79 Ceti (also known as ''HD 16141'') is a yellow subgiant star approximately 127 light-years〔 away in the constellation Cetus. It has stopped hydrogen fusion in its core, this implies an age much higher than our Sun's 4.5 billion years. Eventually the outer layers of the star will expand and cool and the star will become a red giant. Currently 79 Ceti has a luminosity twice that of the Sun. ==Planetary system== In 2000, a planet of the star was discovered.〔
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「79 Ceti」の詳細全文を読む
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