The Cassiopeia A supernova remnant in an image composed of X-rays from Chandra (blue) and infrared images from Webb (orange, white, and blue) released on July 23, 2024. The Cassiopeia A, an expanding ball of matter and energy ejected from an exploding star, consists of rings of neon blue and brilliant white encircling a place of relative calm at the center of the supernova remnant.

📸 #Picstr via NASA/CXC/SAO/ESA/CSA/STScI

#Nostr | #plebchain