Black holes are the most incredible form of mass-energy in the universe, where gravity is so strong that nothing, not even light, can escape its relentless drawing power....
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34:19
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Black holes warp space and time, squeeze matter to a vanishing point, and trap light so that it cannot escape. Black holes, with masses millions or billions times that of our...
8 videos
1:20:19
Visit the ‘dark side’ of the universe. Black holes cannot be seen because gravity is so strong that not even light can escape. Dark matter cannot be seen because...
9 videos
1:30:38
They warp space and time, squeeze matter to a vanishing point, and trap light so that it cannot escape. How can black holes perform such stupendous tricks, and what can we...
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Episode
Episode 09
Season 02
26:46
News
09.27.21
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The universe is astonishing in multiple ways, and one of its most probative features is the existence of its dark side: dark matter, interacting only via gravity, dark...
4 videos
25:02
Stephon Alexander, cosmologist and professor of theoretical physics at Brown University, discusses his most recent book, Fear of a Black Universe: An Outsider’s Guide...
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1:07:51