Meet the 'Event Horizon Explorer', Which Aims to See Light Rings Around Black Holes
The researchers’ hope is that an Event Horizon Explorer would reveal black holes’ photon rings, made by photons of light forced into an orbit around the black hole by the behemoth’s tremendous gravity. Photon rings are not visible to the EHT at its current resolution, though researchers have managed toDetectable photon rings would be evidence that black holes are spinning, distorting spacetime through their rotations.
“Detecting the photon ring requires recording huge volumes of data on the spacecraft,” said Peter Galison, a physicist at Harvard University and the director of the university’s Black Hole Initiative. “We plan on using laser light to beam the information equivalent of the entire Library of Congress down to Earth.”An Event Horizon Explorer mission would be pursuant to the goals of the National Academies of Sciences, Engineering, and Medicine’s decadal survey.
Gaining a deeper insight into nature at its most colossal scale could greatly benefit subatomic and theoretical physics. At the same time, radio astronomers with the International Pulsar Timing Array and its affiliated consortia are working to , the ceaseless ripples of spacetime likely produced by supermassive black hole binaries throughout the cosmos.By imaging black holes and studying their far-reaching effects, physicists will get closer to understanding how just about everything works, at least on the supermassive and subatomic scales. But everything in between is just filler, right?
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