image-1_1024x728 (IMAGE)
Caption
JWST three-color images of Cassiopeia A, contrasting Carbon Monoxide (CO in green) and Argon ejecta (in red) and synchrotron emission (in blue). The images show that there is more CO gas in the outer layers than argon gas, which means CO molecules are forming again after the reverse shock.
Credit
SETI Institute
Usage Restrictions
none
License
Original content