“Green Monster” found in far-off supernova
“Green Monster” Unprecedented progress has been made by astronomers in solving the mystery of a “Green Monster” hidden in the remains of a far-off supernova. Researchers merged data from NASA’s Chandra X-ray Observatory and the James Webb Space Telescope to reveal more details about the intricate structure of the well-known supernova remnant Cassiopeia A (Cas…
