The densities of the moons of Mars tell us that:

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    They were probably blasted into orbit by a large volcanic eruption.
     They are dense bodies made of iron and iron oxide.
     They may be remnants from the earliest stages of solar system formation.
     They were once part of the interior of Mars.
     They are formed of water ice and carbon dioxide ice.
asked Sep 20, 2012 in Astronomy by anonymous
    

1 Answer

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They may be remnants from the earliest stages of solar system formation.
answered Sep 22, 2012 by SkyStar ~Expert~ (2,855 points)



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