The Medusa Nebula


ESO’s Very Large Telescope images the Medusa NebulaESO’s Very Large Telescope in Chile captured this image of the Medusa Nebula (also known Abell 21 and Sharpless 2-274). As the star at the heart of this nebula made its final transition into the final stage of its existence, it blew off its outer layers into space, forming this colorful cloud. The Sun will go through a similar process in a few billion years.

Image Credit: ESO

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