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Planet 9

  • Artists impression of Planet Nine barreling through the solar system
    Space
    Planet Nine could cause chaos following the death of our Sun
    ​​According to new research, the hypothetical Planet Nine could one day be responsible for the expulsion of a number of planets from our solar system, including Neptune, Jupiter and the dwarf planet Pluto.
  • An artist's conception of Planet 9
    Space
    Trans-Neptunian objects build case for ninth planet
    If you grew up knowing that there were nine planets orbiting our sun and were a bit crushed when Pluto lost its status, there might be new hope for a nine-pack, as researchers are again putting forth the idea that a planet might be lurking somewhere out there on the fringes of our Solar System.