The black hole at the center of the M87 galaxy is 1000 times more massive than Sagittarius A*. <br />Watch views of both captured by the Event Horizon Telescope (EHT) Collaboration.<br /><br />Credit: Space.com | footage courtesy: ESO/M. Kornmesser, EHT Collaboration (acknowledgment: Lia Medeiros, xkcd) | edited by Steve Spaleta