|  |  | Earth-Sized Star Triggers Lots and Lots of Hot Colorful Gas! ipac.jpl.nasa.gov — Two NASA Great Observatories -- Hubble Space Telescope and Spitzer Space Telescope -- teamed up for this spectacular, whoppingly huge photo of the Helix Nebula (NGC 7293). And it's a beauty! The Earth-sized star (white dot in the center of the image) resides in the constellation Aquarius, a mere 650 light-years from Earth.More... (Space) Comments Email Added 2007-12-28 09:20:15 vroom101