Astronomers discover new information about exploding stars

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supernovaAstronomers are learning more about what happens at the center of an exploding star.

NASA’s NuSTAR is an X-ray telescope and it is the first to map radioactive material in a supernova, which is highlighted by a blue color.

Astronomers found that an unstable, radioactive, isotope develops in the heart of the exploding star and its energy blows off the star’s outer layers.


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