Cassiopeia A by NASA / ESA / CSA / STScI, 2023, framed print

Cassiopeia A

NASA / ESA / CSA / STScI, 2023

Space · NASA Spaceflight

A new high-definition image from NASA’s James Webb Space Telescope’s NIRCam (Near-Infrared Camera) unveils intricate details of supernova remnant Cassiopeia A (Cas A), and shows the expanding shell of material slamming into the gas shed by the star before it exploded. The most noticeable colors in Webb’s newest image are clumps of bright orange and light pink that make up the inner shell of the supernova remnant.

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