• Phobos: Facts About the Doomed Martian Moon

    7 days ago - By Space

    The moon's orbit brings it 6 feet closer to the red planet every century.
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  • Mars' Moons: Facts About Phobos & Deimos

    7 days ago - By Space

    The two small bodies that orbit the red planet raise a number of questions about the formation of the early solar system.
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  • Deimos: Facts About the Smaller Martian Moon

    7 days ago - By Space

    Deimos' radius is only 3.9 miles. The tiny moon zips around Mars in only 30 hours and is so close to its parent planet that it was missed for centuries.
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