地球直径

Its diameter is 53% as wide as that of the earth.

它的直径是地球直径的53%。

The diameter of the sun is one hundred and nine times that of the earth .

太阳的直径比地球直径长一百多倍。

But its modest mass belies its impressive size: it has 1.6 times the diameter of Earth.

但是它谦虚的质量掩盖了它令人震惊的体积：1。6倍地球直径。

The tentative consensus is that there is, indeed, a mixture—and that the boundary between the two lies at around twice the diameter of Earth.

暂时的一致意见是的确存在混合体，两者的边界在大概两倍地球直径处。

The smallest known exoplanet is Corot-7b, which has a diameter less than twice that of Earth.

科罗- 7b是已知外部行星中最小的一个，它的直径不超过地球直径的两倍。