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Stars Boil Before They Blow Up, Says NuSTAR
NASA’s NuSTAR mission is revealing the mechanics behind Cassiopeia A’s supernova explosion (Image credit: NASA/JPL-Caltech/CXC/SAO)
Supernovas are some of the most energetic and powerful events in the observable Universe. Briefly outshining entire galaxies, they are the final, dying outbursts of stars several times more massive than our Sun. And while we know supernovas are responsible for creating the heavy elements necessary for everything from planets to people to power tools, scientists have long struggled to determine the mechanics behind the sudden collapse and subsequent explosion of massive stars.
Now, thanks to NASA’s NuSTAR mission, we have our first solid clues to what happens before a star goes “boom.”
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Read the rest of Stars Boil Before They Blow Up, Says NuSTAR (946 words)
© Jason Major for Universe Today, 2014. |
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Post tags: Cas A, Cassiopeia A, Chandra, JPL, NASA, NuSTAR, slosh, Star, stellar evolution, X-ray
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Source: http://www.universetoday.com/109557/stars-boil-before-they-blow-up-says-nustar/
