那是41億年後當仙女座大星雲和銀河係二次碰撞後發生的事情。

來源: 靜安爺叔於 2025-05-06 08:38:04 [舊帖] [給我悄悄話] 本文已被閱讀：次

WENXUECITY.COM does not represent or guarantee the truthfulness, accuracy, or reliability of any of communications posted by other users.