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Cassiopeia A: New Image of Star
March 24 , 2024
106 days
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- A star that exploded in the supernova remnant Cassiopeia A (Cas A) has been captured by NASA's James Webb Space Telescope.
- Cas A is one of the most thoroughly researched supernova remnants across the entire universe.
- The whole of Cas A spans10 light-years, or 60 trillion miles.
- The Cas A supernova remnant is located 11,000 light-years away in the constellation Cassiopeia.
- It is estimated to have exploded about 340 years ago from our point of view.
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