这样的群组中的星系时常相互作用，甚至在活跃的相互作用的宇宙引力之舞中合并在一起。
Galaxies in such groups often interact and even merge together in a dynamic cosmic dance of interacting gravity.
这样的群组中的星系时常相互作用，甚至在活跃的相互作用的宇宙引力之舞中合并在一起。
Galaxies in such groups often interact and even merge together in a dynamic cosmic dance of interacting gravity.
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