NGC 6946 (also known as the Fireworks Galaxy, Arp 29, and Caldwell 12) is a medium-sized, face-on spiral galaxy about 22.5 million light years away from Earth located in the constellations Cepheus and Cygnus. At about 20,000 light years wide, it’s one of about a dozen nearby neighbors to the M...
The Fireworks Galaxy (NGC 6946) - unusual number of supernovas exploding for no apparent reason
Monday, November 11, 2013
The Fireworks Galaxy (NGC 6946) - unusual number of supernovas exploding for no apparent reason
Subscribe to:
Post Comments (Atom)
No comments:
Post a Comment