地球的:
体积 1.083 207 3×10^12 km^3
质量 5.9742×10^24 kg
赤道表面重力加速度 9.780 1 m/s^2(0.997 32 g)
而月球的体积是220 亿立方公里,地球的体积几乎比它大49 倍.地球的质量大约等于月球质量的81倍,
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