A long-lost moon could explain Mars' weird shape and extreme terrain - Livescience.com
A long-lost moon could explain why Mars is so different from the other rocky planets in the solar system.
Today, Mars
has two tiny moons. But early in its history, the Red Planet may have had a mu… [+3743 chars]
Today, Mars
has two tiny moons. But early in its history, the Red Planet may have had a mu… [+3743 chars]
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