The Event Horizon Telescope combined radio observatories around Earth to resolve bright material around supermassive black holes. The dark central region is a shadow caused by extreme gravity, not a photograph of light coming from inside the black hole.
What we found
A black hole itself emits no light from within the event horizon, but hot gas around it can glow strongly. Gravity bends and captures part of that light, creating a dark shadow surrounded by a bright ring. The famous images are reconstructed from radio measurements collected by many telescopes, carefully calibrated and checked by independent teams. The Ridbusters then compare the wording with the original sources, look for the conditions of each observation and check whether another explanation could fit. That turns a surprising headline into a trail a young investigator can follow: claim, test, result and remaining uncertainty. The Event Horizon Telescope combined radio observatories around Earth to resolve bright material around supermassive black holes.