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主題: W Hydrae 太陽的未來 50億年後吧 會是紅巨星 作者: peter 於 2017-11-08 11:13:55 https://www.sciencedaily.com/releases/2017/11/171107092830.htm
(https://www.sciencedaily.com/images/2017/11/171107092830_1_540x360.jpg) The research is published in Nature Astronomy on 30 October 2017. 年老的恆星表面 320 光年外的 W Hydrae AGB (asymptotic giant branch) star |