satellites

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    Who Put This Monolith on Mars’ Moon Phobos?

    Mars has two moons, Phobos and Deimos, named after the Greek mythological characters attributed to fear and dread. The small satellites are irregular in shape and circle the planet in strange orbits. Most astronomers agree their shape is an indicator of their origin: asteroids caught up in Mars’ gravitational pull. NASA images show that Phobos, the smaller of the two…

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