Thor’s Helmet


Thor's HelmentNGC 2359 (aka Thor’s Helmet) is an emission nebula in the constellation Canis Major. The nebula is about 15,000 light-years away and 30 light-years across. The central star is an extremely hot giant thought to be in a brief, pre-supernova stage of evolution. This image was taken by the Very Large Telescope at the European Southern Observatory in Chile.

Image Credit: ESO

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