George Wong (UIUC) and Michael Johnson (CfA)The image of a black hole has a bright ring of emission surrounding a “shadow” cast by the black hole. This ring is composed of a stack of increasingly sharp subrings that correspond to the number of orbits that photons took around the black hole before reaching the observer.
A team of researchers have published new calculations that predict a striking and intricate substructure within black hole images from extreme gravitational light bending. Last April, the Event Horizon Telescope (EHT) sparked international excitement when it unveiled the first image of a black hole...
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