Scientists say they have discovered a planet that is so hot, they believe that rocks evaporate and "rain" back down as lava. People on social media have already given it a name -- the "Star Wars" ...
Scientists have discovered a "hell planet"-- an infernal exoplanet covered in oceans of lava and where it rains rocks. Basically, it's Mustafar from Star Wars, the lava planet where Darth Vader lives.