地球繞太陽轉一周的時間:365天5小時48分46秒。分秒不差。
所有跟帖:
• 你說的那時地球的公轉,公轉的時速是 -PrincessSisi- ♀ (30 bytes) () 11/18/2009 postreply 10:04:26
• 你說的那時地球的公轉,公轉的時速是 -PrincessSisi- ♀ (30 bytes) () 11/18/2009 postreply 10:04:26
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