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Radioactive Ash | Space Wallpaper

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First Map of Radioactivity in Supernova Remnant
This stunning space wallpaper is the first map of radioactivity in a supernova remnant, the blown-out bits and pieces of a massive star that exploded. (Image credit: NASA/JPL-Caltech/CXC/SAO)

This stunning space wallpaper is the first map of radioactivity in a supernova remnant, the blown-out bits and pieces of a massive star that exploded. The blue color shows radioactive material mapped in high-energy X-rays using NASA's NuSTAR space observatory. [Full Story]

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Space.com is the premier source of space exploration, innovation and astronomy news, chronicling (and celebrating) humanity's ongoing expansion across the final frontier. Originally founded in 1999, Space.com is, and always has been, the passion of writers and editors who are space fans and also trained journalists. Our current news team consists of Editor-in-Chief Tariq Malik; Editor Hanneke Weitering, Senior Space Writer Mike Wall; Senior Writer Meghan Bartels; Senior Writer Chelsea Gohd, Senior Writer Tereza Pultarova and Staff Writer Alexander Cox, focusing on e-commerce. Senior Producer Steve Spaleta oversees our space videos, with Diana Whitcroft as our Social Media Editor.