serjaimes-deactivated20140209: NGC 2359 (also known as Thor’s Helmet) is an emission nebula in the constellation Canis Major. The nebula is approximately 15,000 light-years away and 30 light years in size. The central star is the Wolf-Rayet star HD
tags: reblog, science
original: https://wlkng.tumblr.com/post/73066927779