The strange orbit of a distant object is likely due to a massive, undiscovered ninth planet traveling deep beyond Neptune, according to new models.
Source: There’s New Evidence for the Mysterious “Planet Nine”
Science Fight! Following a paper that suggests there is no Planet Nine, here’s one that suggests the opposite!
The strange orbit of a distant object is likely due to a massive, undiscovered ninth planet traveling deep beyond Neptune, according to new models.
Source: There’s New Evidence for the Mysterious “Planet Nine”