這道題考的是地球的公轉(zhuǎn)速度：
地球以每秒29.79公里的速度,沿著一個偏心率很小的橢圓(實際上在近日點減速,遠日點加速度)繞著太陽公轉(zhuǎn).1小時＝3600秒,那么地球就是每小時以107244公里的速度饒?zhí)栟D(zhuǎn).
所以選擇B.
We all know that the earth goes around the sun. How far does the earth go around the sun in one
We all know that the earth goes around the sun. How far does the earth go around the sun in one
second?
A.300 kmB.30 km C.3 km
要寫計算過程
second?
A.300 kmB.30 km C.3 km
要寫計算過程
英語人氣：632 ℃時間：2019-08-26 06:56:21
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