We can find the mass of the earth.

我们能够求出地球的质量。

youdao

So now I will put in the mass of the Earth here.

这样我就又考虑，到了地球的质量。

youdao

Mars is nearly half the size of Earth but around one tenth the mass.

火星大小几乎是地球的一半质量是地球的1/10.

youdao

Mars is nearly half the size of Earth but around one tenth the mass.

火星大小几乎是地球的一半质量是地球的1/10.

youdao