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Seeing a Black Hole with a Planet-Sized Telescope - STELLAR
2019 • E15 Jul 3, 2019 7m
It took about a century for black holes to go from impossible, to theoretical, to real. And it was just this year, in 2019, when we finally saw the first picture of a black hole! But how to you take a photo of something so massively dense that not even light can escape its gravitational pull? You use a telescope the size of the Earth!