This stunning false-colour picture shows off the many sides of the supernova remnant Cassiopeia A. Located light-years away, Cassiopeia A is the remnant of a once massive star that died in a violent supernova explosion 325 years ago.
I used to want to be an astronomer and it is something that still really interests me. I love space and stars and galaxies and constellations. * it looks like roses in the spiral galaxy like the red bits
ESO's Visible and Infrared Survey Telescope for Astronomy (VISTA) has captured this unusual view of the Helix Nebula (NGC in this space wallpaper. The Helix Nebula is a planetary nebula located 700 light-years away.
Zeta Ophiuchus, a massive star plowing through the gas and dust floating in space. Zeta Oph is a bruiser, with 20 times the Sun’s mass. It’s an incredibly luminous star, blasting out light at a rate times higher than the Sun! Even at its distance of