The Event Horizon Telescope Zooms in on Another Supermassive Black Hole

Light from behind a black hole spotted for 1st time, proving Einstein right

Space telescopes spot light 'echoing' from behind black hole for the first time

Through a serendipitous observation of exceptionally bright X-ray flares around the supermassive black hole and careful analysis of the flare’s “echoes,” researchers were able to prove that what they were actually seeing were X-ray reflections from behind the black hole.