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The internet is filled with things. Here is one of them.

Cassiopeia A: NASA Telescopes Chase Down "Green Monster" in Star's Debris 2024 Jan 9
The Webb space telescope continues to be fantastic, this time peering into the structure of supernova remnant Cassiopeia A. Combining Webb's image with that from the X-ray space telescopes Chandra provides even more insight. Insight into exactly what is above my head, but I love following this space science from the comfort of my armchair.
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