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PBS Space Time

The Missing Mass Mystery

Season 3 Episode 45

For years, astronomers have been unable to find up to half of the baryonic matter in the universe. We may just have solved this problem.

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Season
Why Didn’t Antimatter Destroy The Universe?
14:50
Why is there any matter in the universe? A new antimatter breakthrough at LHC holds clues.
New Evidence: Earth Had Rings (and Might Regain Them)
16:30
There’s an extremely good chance that Earth once did have a ring system.
How Astrophysics Can Literally Save the World
17:23
How is it possible to tell if a space rock will one day collide with the Earth?
Your DNA's Codes Are (Probably) From Outer Space
15:58
Did you know that many of us have up to 4% neanderthal DNA?
Will The Big Bang Happen Again (and Again)?
16:35
What if the Big Bang was just an endless cycle?
The Final Barrier to (Nearly) Infinite Energy
19:39
Why are billions suddenly being pumped into fusion startups?
The Crisis in Physics: Why the Higgs Boson Should Not Exist!
16:36
The universe should've collapsed after the Big Bang, but a light Higgs boson let us exist.
Does Timescapes Disprove Dark Energy?
14:30
Maybe dark energy doesn't exist?
How Many Black Holes Are In The Solar System?
18:32
Dark matter has eluded us for many decades but we may be able to discover more now.
Does Infinity - Infinity = an Electron
15:35
What do you get if you combine something that’s infinitely massive and negative infinitely massive?
What Does An Electron Actually Look Like?
13:39
What does an electron really look like?
The NEW Ultimate Energy Limit of the Universe
16:35
Is there a limit to how much energy you can cram into, or pull out of one patch of space?
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