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PBS Space Time
No Dark Matter = Proof of Dark Matter?
Season 5
Episode 19
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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18:19
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19:03
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18:50
Does this also explain why there are no aliens?
16:58
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14:50
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16:30
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17:23
How is it possible to tell if a space rock will one day collide with the Earth?
15:58
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16:35
What if the Big Bang was just an endless cycle?
19:39
Why are billions suddenly being pumped into fusion startups?
16:36
The universe should've collapsed after the Big Bang, but a light Higgs boson let us exist.
14:30
Maybe dark energy doesn't exist?