Astronomers Have Revealed a Black Hole's Photon Ring for the First Time - Universe Today

Using data from the Event Horizon Telescope, a team of astronomers have calculated the photon ring of M87*.

In 2019 the Event Horizon Telescope gave us our first direct image of a black hole. It was a powerful image, but not one with much detail. It looks like a blurry orange donut. To be fair, the real me… [+3215 chars]

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