“It’s really unbelievable after all these years studying Cas A to now resolve those details, which are providing us with transformational insight into how this star exploded.”

Source: https://hothardware.com/news/jwst-image-of-exploding-star-cas-a

Studying Cas A across different wavelengths of light gives scientists a broader understanding of this supernova remnant.

Source: https://laopinion.com/2023/04/12/la-nasa-te-muestra-como-estaba-el-cielo-el-dia-de-tu-nacimiento/

This is the second shot of Cas A taken by Webb, following one produced with its mid-infrared instrument.

Source: https://boingboing.net/2023/12/14/webb-space-telescope-offers-high-resolution-view-of-supernova-remnant-cassiopeia-a.html