如果银河系撞上仙女座星系……-快科技-科技改变生活

如果银河系撞上仙女座星系……

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2012年06月02日 09:59
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美国航空航天局(NASA)今天公布了一组银河系与仙女座星系相撞前的夜空景象效果图。

根据预测，银河系与仙女座星系将会在37.5亿年后相遇并发生潮汐扭曲，大约40亿年后开始碰撞，最终在60亿年后融合成为一个更宏大的巨型星系。

如果银河系撞上仙女座星系……

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