另外谷歌了一下，宇宙的直径1456亿光年。

来源: 加州花坊于 2010-06-28 22:40:19 [博客] [旧帖] [给我悄悄话] 本文已被阅读：次

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