Two Planets Larger Than Earth May Exist Beyond Pluto

Out past Pluto, in a galaxy not that far, far away (ours, in fact), may lie two planets larger than Earth. Astrophysicists studying “extreme trans-Neptunian objects” (ETNOs) now believe that a “Planet X” and a “Planet Y” are ripe for discovery, reports Space.com. If proven to be true, it will significantly alter what we currently believe…