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The radiation from 2,500 young stars excites the atoms causing them to emit radiation themselves. This view of the very center of the Rosette Nebula spans 15 light years across. Credit: NASA/ESA Hubble Space Telescope
NGC 2244: The Rosette Nebula's center measures about 50 ly across, lies about 4500 ly away, and is visible w/binoculars towards the constellation of the Unicorn
We started out as stars..and we still are!!!
The Nebula Messier 78 is a reflection nebula in the constellation Orion and M78 is the brightest diffuse reflection nebula of a group of nebulae.