How to take a picture of a black hole

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April 4, 2017 Today's TED Talk How to take a picture of a black hole 12:51 minutes · TEDxBeaconStreet At the heart of the Milky Way, there's a supermassive black hole that feeds off a spinning disk of hot gas, sucking up anything that ventures too close -- even light. We can't see it, but its event horizon casts a shadow, and an image of that shadow could help answer some important questions about the universe. Scientists used to think that making such an image would require a telescope the size of Earth -- until Katie Bouman and a team of astronomers came up with a clever alternative. Learn more about how we can see in the ultimate dark. Watch now »   Playlist of the Day Mind-bending questions from physics Fascinating talks that seek to unravel some of the most fundamental, yet unexplainable parts of the cosmos. Watch » 5 talks · Total run time 1:23:30   Download the TED app

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