类地行星

We have also calculated the atmospheric density distributions of the Earth, Venus and Mars.

本文利用RBF公式，计算了地球 、 金星、火星等类地行星际的大气密度分布及火星水汽的寿命。

By comparison, the terrestrial planets have meager atmospheres at best.

相比之下，类地行星最多只有稀薄的大气层。

American scientists have been using instruments for years to look for earth-like planets.

美国科学家多年来一直在使用仪器寻找类地行星。

However, unlike Jupiter, the terrestrial planets today are nearly void of light gases and ices.

然而，如今的类地行星与木星不同，几乎没有轻气体和冰。

These asteroids are like the terrestrial planets, in that they´re composed mostly of rocky material and metals.

这些小行星像类地行星一样，主要由岩石物质和金属构成。