Stellar Nursery Blows Cosmic Super-Bubble
Wednesday, July 20, 2011 - 09:00
in Astronomy & Space
Deep inside star cluster NGC 1929 – a satellite galaxy of the Milky Way – winds from young stars and shockwaves from supernova explosions are carving a bubble-like structure 325 x 250 light year across. The stellar material glows colorfully.