Coming 20 years after the x-ray telescope’s launch, the Chandra X-Ray Observatory has greatly aided an international team of scientists who performed the first-ever observations of the beginning stages of a galaxy cluster merger.
Dr. Liyi Gu from RIKEN national science institute in Japan and SRON Netherlands Institute for Space Research, and the first author of a paper published 24 June 2019 in the journal Nature Astronomy, sat down with NASASpaceflight to discuss the importance and ramifications of this discovery.