'500 Years of cosmic evolution' around Milky Way's supermassive black hole visualized

Using Chandra X-ray Telescope data, the last 500 years of an area about 3 light years (18 trillion miles) around the supermassive black hole Sagittarius A* at the center of the Milky Way galaxy has been visualized. Credit: NASA/CXC/Pontifical Catholic Univ. of Chile /C.Russell et al. / mash mix by Space.com's Steve Spaleta](http://www.twitter.com/stevespaleta)