如果发现一颗小行星,它离太阳的距离是地球离太阳距离的8倍,那么它绕太阳一周的时间应是______年.
人气:488 ℃ 时间:2019-09-20 06:05:17
解答
根据开普勒第三定律
=k,所以
=故
T行=T地×=
1×=22.6年故答案为22.6
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