Mars is currently a dry and irradiated planet according to our robot friends, Perseverance and Curiosity. Evidence suggests that Mars was once a wet planet, however, there is substantial debate regarding Mars' origins and the life span of its long-lost bodies of water.
Some theory suggests that it might have been because of active volcanoes that melted the Martian permafrost, while others suggest that it was because of a cataclysmic asteroid impact.
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The red planet is actually many colors. At the surface, we see colors as brown, gold, and tan. The reason Mars looks reddish is due to oxidization—or rusting—of iron in the rocks, regolith (Martian “soil”), and dust of Mars. This dust gets kicked up into the atmosphere and from a distance makes t...
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