Using NASA's Chandra X-ray observatory, astronomers have carried out an X-ray proper motion study of a supernova remnant known as SNR 0509-67.5. Results of the research, published October 5 on arXiv.org, yield essential information regarding the expansion of this structure.
source https://www.lifetechnology.com/blogs/life-technology-science-news/supernova-remnant-snr-0509-67-5-investigated-with-chandra
