How Stars Explode - Nasa daily picture for April 26 (2021)

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Supernova remnant Cassiopeia A (Cas A),

Scientists have found fragments of titanium blasting out of a famous supernova. This discovery, made with NASA’s Chandra X-ray Observatory, could be a major step in pinpointing exactly how some giant stars explode.

This work is based on Chandra observations of the remains of a supernova called Cassiopeia A, located in our galaxy about 11,000 light-years from Earth. This is one of the youngest known supernova remnants, with an age of about 350 years.

Image Credit: NASA/CXC/RIKEN/T. Sato et al.; NuSTAR: NASA/NuSTAR)



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