Trippy black hole merger simulation shows how they glow!

Supermassive black holes spiral towards each other in this simulation created by NASA's Goddard Space Flight Center that shows how they glow in ultraviolet and X-ray light. The black holes are only 40 orbits from merging. Full Story: https://www.space.com/42017-merging-supermassive-black-holes-eerie-glow.html Credit: NASA Goddard Space Flight Center