In this new #JWST NIRCam image of the supernova remnant Cassiopeia A (Cas A), we see the remains of a star that first imploded and then exploded about 340 years ago (from our point of view), leaving behind a tangle of gas, dust, and magnetic fields.
A #thread with some details of what we are seeing in the image.
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Read more: https://webbtelescope.org/contents/news-releases/2023/news-2023-149