Monday, January 8, 2024

NASA Telescopes Chase Down “Green Monster” in Star’s Debris

For the first time astronomers have combined data from NASA’s Chandra X-ray Observatory and James Webb Space Telescope to study the well-known supernova remnant Cassiopeia A (Cas A). As described in our latest press release, this work has helped explain an unusual structure in the debris from the destroyed star called the “Green Monster”, first discovered in Webb data in […]

January 08, 2024
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