The Martian moons Phobos and Deimos may have been created in the aftermath of a cataclysmic collision between early Mars and an object with a mass somewhere between that of the dwarf planet Ceres, and the asteroid Vesta. The theory will hopefully be put to the test in the not-too-distant future by an ambitious Japanese mission, that will seek to visit both of the small moons with the aim of retrieving a surface sample for return to Earth.
.. Continue Reading Violent impact with dwarf planet could have given rise to Martian moonsCategory: Space
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