Tuesday, April 12, 2016

Moons of Mars

Hebes Chasma:This martian abyss, more than 4 times as wide and deep as the Grand Canyon, is an enclosed, almost 8 km-deep trough stretching 315 km in an east–west direction and 125 km from north to south at its widest point. It sits about 300 km north of the vast Valles Marineris canyon.:
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A dramatic view of Phobos (one of the moons of Mars) and its Stickney crater. Image acquired by HiRES in March 2008.:
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