Behold NGC 2359, aka Thor’s Helmet, an emission nebula in the constellation Canis Major. It’s approximately 11.96 thousand light-years away and 30 light-years in size. (NASA)
Behold NGC 2359, aka Thor’s Helmet, an emission nebula in the constellation Canis Major. It’s approximately 11.96 thousand light-years away and 30 light-years in size. (NASA)