jan 302013
Anne's Picture of the Day: Colliding Galaxies NGC 520

January 30, 2013 NGC 520, a pair of colliding galaxies in Pisces Image Credit: NASA, ESA, the Hubble Heritage (STScI/AURA)-ESA/Hubble Collaboration, and B. Whitmore (STScI) NGC 520 (also known as Arp 157) is a pair of highly disturbed colliding spiral galaxies of more than 100,000 light-years across, located some 90.7 million light-years away in the [continue reading]