Inside The Event Horizon Telescope's Quixotic Quest to Image a Black Hole

Trying to take a picture of a black hole — an object that is, by definition, invisible—sounds like an exercise in futility. But for decades, theoreticians suspected it may just be possible to get a detailed view of a black hole’s perimeter, right up to the edge of the event horizon, the fabled point of no return. And a core group of astronomers spent years trying to turn that prediction into reality. Now, they finally have. Astronomers announced Wednesday that they’d captured a tight view

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