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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

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Photo: LMC - N49, or, Supernova remnant . N 49 , or, Stellar shrapnel, is the brightest supernova remnant in the Large Magellanic Cloud, approximately 160,000 light - years from Earth. It has been assessed to be roughly 50,000 years old. The latest pictures of N 49 by the Chandra X - Ray Observatory have revealed a bullet - shaped object traveling at about 5 million miles an hour away from a bright X - ray and gamma - ray point source, probably a neutron star with an extremely powerful…

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