2005/04/13 | 定域静止系[Local Standard of Rest]
类别(¤〖天文〗) | 评论(0) | 阅读(25) | 发表于 15:24
The motion of the sun relative to a hypothetical circular orbit about the center of the galaxy. The local standard of rest is approximately 16.5 km s-1 in the direction of the galactic coordinates ,.
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