为什么银河系和仙女星系都会互相穿过而不会星星相撞？我怎么觉的因为引力至少中心回互相吸引相撞呢

来源: rmny 于 2026-03-25 10:19:19 [旧帖] [给我悄悄话] 本文已被阅读：次

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