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mars - Newest pictures


Water-ice clouds, polar ice, polar regions, and geological features can be seen in this full-disk im

Mars is a cold desert world. It is half the diameter of Earth and has the same amount of dry land. Like Earth, Mars has seasons, polar ice caps, volcanoes, canyons and weather, but its atmosphere is too thin for liquid water to exist for long on the surface. There are signs of ancient floods on Mars, but evidence for water now exists mainly in icy soil and thin clouds.
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Just the Facts
Metric | English | Scientific Notation
Orbit Size (semi-major axis): 227,943,824 km
Mean Radius: 3,389.5 km
Volume: 163,115,609,799 km 3
Mass: 641,693,000,000,000,000,000,000 kg

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