2005/04/30 | 奥尔特极限[Oort Limit]
类别(¤〖天文〗) | 评论(0) | 阅读(47) | 发表于 14:05
The local mass density estimated by dispersion measurements of stars. The value is
0

评论Comments

日志分类
首页[1408]
∑〖数学〗[349]
Ω〖物理〗[357]
¤〖天文〗[343]
℃〖化学〗[359]