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Browsing Tag

Supernovae

2 posts
SScience
This graphic features data from NASA’s Chandra X-ray Observatory of the Cassiopeia A (Cas A) supernova remnant that reveals that the star’s interior violently rearranged itself mere hours before it exploded. The main panel of this graphic is Chandra data that shows the location of different elements in the remains of the explosion: silicon (represented in red), sulfur (yellow), calcium (green) and iron (purple). The blue color reveals the highest-energy X-ray emission detected by Chandra in Cas A and an expanding blast wave. The inset reveals regions with wide ranges of relative abundances of silicon and neon. This data, plus computer modeling, reveal new insight into how massive stars like Cas A end their lives.
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NASA’s Chandra Reveals Star’s Inner Conflict Before Explosion

  • August 28, 2025
The inside of a star turned on itself before it spectacularly exploded, according to a new study from…
SSpace
Supernova SN 2018gv Before and After
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NASA Roman Core Survey Will Trace Cosmic Expansion Over Time

  • August 13, 2025
NASA’s Nancy Grace Roman Space Telescope will be a discovery machine, thanks to its wide field of view…
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