从月亮到地球有多远
人气:347 ℃ 时间:2019-12-08 01:24:07
解答
要看情况,远地点处和近地点处不同,再者在漫长的历史里,月球一直在“逃离”地球,现在是384000km(平均焦距),很久以前是200000km
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