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The diameter of Venus is 12,104km, slightly smaller than the Earth. Its mass is 0.82 times of the Earth, and it has very thick atmosphere. The orbital period of Venus is about 225 days. Its rotation period is 243 days, but the direction of rotation is opposite to that ...
Terrestrial planet: The four planets closer to the Sun are Mercury, Venus, Earth, and Mars. Their common features are composed of many kinds of rocks minerals and metals, small in size and mass, large in density, slow in rotation, and have solid surfaces.
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