The Messier 87 galaxy's black hole is "propelling particles faster than 99% of the speed of light," according to the Chandra X-ray Observatory team. The NASA observatory was used determine the speed the particle flow. [Jets Blast Out of Famous Black Hole at 99% the Speed of Light](https://www.space.com/black-hole-jets-near-speed-of-light.html) [Chandra Space Telescope: Revealing the Invisible Universe](https://www.space.com/18669-chandra-x-ray-observatory.html) Credit: NASA/CXC/A. Hobart