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Phobos
613px-Phobos colour 2008
Name of satellite Phobos
Date of discovery August 18, 1877
Mass 1.072 x 10^16 kg

Phobos is the largest of the two satellites belonging to the inner planet of Mars. It is one of the two satellites of Mars, the other being Deimos. It is more than seven times more massive than Deimos, and at least three times as large. Phobos was discovered on August 18, 1877 by Asaph Hall.

FormationEdit

Phobos was created by Mars' land. Mars actually went through a bombardment period and land was pushed up into the atmosphere by a giant meteor. The rocks clashed together, creating tension. The heat fused the rocks together and created the moon we named Phobos. Phobos, surprisingly, looks like an asteroid.

SurfaceEdit

Phobos is full of craters and valleys. Impacts are very conspicuous because there is no atmosphere to protect it from impact, normal for a moon. The Stickney crater is a giant gash in the upper regions of Phobos. In the upper left of the picture on the right, you can see the Stickney crater, a crater created by a large meteorite impact.

536px-Phobos-viking1

Imagefelix

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