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PBS Space Time

Does Axionic Dark Matter Bind Galaxies Together?

Season 9 Episode 18

Quantum mechanics is our best theory of the fundamental nature of reality, but it's usually only distinguishable from familiar classical mechanics on the smallest scales. But it’s also possible that our entire galaxy is filled with a reverberating quantum mechanical wave that literally holds the galaxy together—and in fact explains all the dark matter that we see across the universe.

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Season
Can We Break the Universe?
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We delve into some of the most famous paradoxes of special relativity.
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12:43
Transitions of quantum systems have always defied observation...until now.
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13:42
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13:48
We explore how forces of nature, once unified, were forced to separate.
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12:50
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12:39
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13:09
We explore what exists in the past, present and future.
Venus May Have Life!
13:01
We may have detected the signature of alien life - Venusian life -for the first time.
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