Thor's Helmet, NGC 2359
Aug. 31st, 2010 01:00 pmThor's Helmet in Canis Major is about 15,000 lightyears distant. A large bright star near the helmet's center has created this interstellar bubble by the force of its "stellar wind". However, this star, known as a Wolf-Rayet star, may go supernova.
Beautiful image
Beautiful image