'Rock Comet' Used To Just Be An Asteroid | Video
Wednesday, September 11, 2013 - 14:00
in Astronomy & Space
Sun-grazing asteroid Phaethon, has given away its true identity by showing its tail. NASA's STEREO spacecraft captured imagery of the asteroid ejecting dust between 2009 and 2012. This looped time-lapse shows the asteroid in 2009.