2004/10/09 | 角距[Angular Distance]
类别(Ω〖物理〗) | 评论(0) | 阅读(38) | 发表于 12:40
The angular distance is given in terms of the (linear) distance by
(1)

The angular distance at time t with initial angular distance ,angular velocity , and angular acceleration is
(2)

In cosmology, the angular distance is defined as
(3)

where is the luminosity distance.
0

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