NASA-JAXA XRISM finds elemental bounty in supernova remnant
Astrobitica
December 8, 2025 (Last updated: December 8, 2025) 1 minute read
For the first time, scientists have made a clear X-ray detection of chlorine and potassium in the wreckage of a star using data from the Japan-led XRISM (X-ray Imaging and Spectroscopy Mission) spacecraft.