2004/11/19 | 固有尺度[Proper Size]
类别(Ω〖物理〗) | 评论(0) | 阅读(30) | 发表于 13:26
The cosmological proper size is given by

where a is the expansion parameter, r is the radius of the region in question, is the true angular size, and z is the redshift.
0

评论Comments

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