NASA's Chandra X-ray spacecraft has detected the supernova wreckage of a dead star that erupted 1,700 years ago and ejected debris at 2 million miles per hour.

NASA X-ray spacecraft discovers supernova wreckage at the heart of the Milky Way

Source: space
Source Link: https://www.space.com/astronomy/stars/nasa-x-ray-spacecraft-discovers-supernova-wreckage-at-the-heart-of-the-milky-way