A new supercomputer model could help astronomers find spiraling, merging systems of two supermassive black holes. These mergers happen often in the universe, but are hard to see. Watch as the simulation reveals the merger's brighter, more variable Xrays. https://go.nasa.gov/2OsaMAs

Credit: NASA's Goddard Space Flight Center
Music: "Games Show Sphere 01" from Killer Tracks

This video is public domain and along with other supporting visualizations can be downloaded from the Scientific Visualization Studio at: http://svs.gsfc.nasa.gov/13043