NASA X-Ray Mission Gets Fresh Look at 2,000-Year-Old Supernova

NASAs IXPE (Imaging X-ray Polarimetry Explorer) mission has taken a new observation of a supernova, RCW 86, helping fill in a fuller picture of what other telescopes have observed. When astronomers using NASAs Chandra X-ray Observatory previously targeted RCW 86, they discovered that a large cavity region around the system led the supernova to expand []