Black holes sit on the cusp of the unknowable. Anything that crosses a black hole’s threshold is lost forever, trapped by an extreme gravitational pull. That enigmatic quality makes the behemoths an enticing subject, scientists explain in the new documentary Black Holes: The Edge of All We Know.
The film follows two teams working over the last several years to unveil the mystery-shrouded monstrosities. Scientists with the Event Horizon Telescope attempt to make the first image of a black hole’s shadow using a global network of telescopes. Meanwhile, a small group of theoretical physicists, anchored by Stephen Hawking — who was still alive when filming began — aim to
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