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30到40亿年之后，仙女座星系与银河系相撞！
source link: https://tech.sina.com.cn/d/s/2019-02-27/doc-ihrfqzka9704062.shtml
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来源：新浪看点作者：覃小懒聊天文据观测数据和天文学家的计算表明，银河系与仙女座星系将在30到40亿年之后“相撞”，并融为一体。星系碰撞过程是一个缓慢的过程，一般要花费数百万年的时间才能从相互接触到融为一体达到稳定。根据天文观测和哈勃望远镜的
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