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#OTD 25 years ago, the ESA - European Space Agency’s XMM-Newton launched! By itself and through coordinated observations with other telescopes, XMM-Newton continues to add to our understanding of the dynamic X-ray universe — here are some recent highlights. When XMM-Newton and our Chandra X-ray Observatory observed a nearby galaxy, they found a “fossil” from an eruption of its central black hole 5 million years ago. This clump of cold gas adds to our understanding of how supermassive black holes

Watch as the International Space Station takes shape in this time-lapsed NASA animation of its decade-long assembly, which began in 1998. Also, see a time-lapsed flyaround of the orbital outpost captured by the Space Shuttle STS-119 mission. Everything you need to know 👉 https://trib.al/HxeID4g Credit: Space.com | animation & footage courtesy: NASA | edited by Steve Spaleta Music: All Parts Equal by Airae / courtesy of http://www.epidemicsound.com | Space.com