Alien Comet Swarms Hint at Mysterious Undiscovered Exoplanet (Video, Images)
Friday, March 7, 2014 - 13:30
in Astronomy & Space
An enormous belt of carbon monoxide gas lies in the disk of debris surrounding Beta Pictoris, a young star 63 light-years from Earth. The source of the gas is probably comets, which may have been trapped there by a big alien planet.