12:50
PBS Space Time
The Doomsday Argument
A simple statistical argument tells us that the doom of our species is much, much closer.
No Dark Matter = Proof of Dark Matter?
PBS Space Time explores the outer reaches of space, the craziness of astrophysics, the possibilities of sci-fi, and anything else you can think of beyond Planet Earth. Host Matt O'Dowd breaks down both the basic and incredibly complex sides of space and time.
No Dark Matter = Proof of Dark Matter?
Season 5 Episode 19 | 10m 37s
We’ve been failing to detect dark matter for decades. Finally, the latest failure to detect dark matter may have actually proved its existence. One of these is true: either most of the matter in the universe is invisible and formed of something not explained by modern particle physics OR our understanding of gravity is completely broken.
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