考虑到月球的大小，他提示说月球内部没有任何地方象地球内部那样热。
In view of the moon's size, he suggests that the lunar interior is nowhere near as hot as that of the earth.
此外，月球的大小适中，跟地球的距离又恰到好处，所以日食发生时，月球刚好完全遮蔽太阳。
The moons size and distance from the earth, moreover, are just right for the moon to cover the sun during a solar eclipse.
根据“巨型撞击假说”，月球是在地球和一个火星大小的物体相撞时形成的。
According to the giant-impact hypothesis, the Moon was created during a collision between Earth and a large object about the size of Mars.
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