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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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16:36
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14:30
Maybe dark energy doesn't exist?
18:32
Dark matter has eluded us for many decades but we may be able to discover more now.
15:35
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13:39
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16:35
Is there a limit to how much energy you can cram into, or pull out of one patch of space?
17:19
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11:43
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18:40
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14:05
New data is telling us that Neutron stars may make one of the most popular dark matter candidates.
15:14
Is Dark Energy Getting Weaker?
16:08
Here’s the story we like to tell about the beginning of the universe.