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2021-01-26: Is Dark Matter Made of Particles?

  • 00:23: ... way light bends around galaxies and clusters, in the clumpiness of the cosmic background radiation, and ...

2020-12-15: The Supernova At The End of Time

  • 07:35: ... but in the future even colder than that as the universe expands and the cosmic background radiation ...

2020-05-11: How Luminiferous Aether Led to Relativity

  • 16:14: ... we can see is the same size as the local bubble of galaxies. Those poor cosmic background photons should have reached us billions of years ago - it's not that ...

2019-08-19: What Happened Before the Big Bang?

  • 11:19: Pup314 asks if the reheating of the universe after inflation is what gave us the cosmic background radiation.
  • 12:02: That energy would then end up in the cosmic background radiation photons, but not for a while.

2019-06-06: The Alchemy of Neutron Star Collisions

  • 13:02: ... "wouldn't the dark ages actually be blindingly bright given that the cosmic background radiation wasn't yet stretched to invisible microwave wavelengths?" - ...

2019-05-16: The Cosmic Dark Ages

  • 11:49: ... light absorbed from the cosmic background radiation tells us when the dark ages ended, and light absorbed from the ...

2019-02-07: Sound Waves from the Beginning of Time

  • 05:49: As the wave of plasma and photons decoupled, light began to stream freely through the universe as the cosmic background radiation.
  • 11:41: And we can confirm that prediction by looking at the patterns in the cosmic background radiation.

2018-09-12: How Much Information is in the Universe?

  • 09:56: Let's ignore really high entropy stuff like black holes, the cosmic background radiation, and neutrinos.

2017-10-25: The Missing Mass Mystery

  • 04:14: See, before the photons of the cosmic background radiation were released, they were trapped in the searing hot plasma of baryonic matter.
  • 05:08: ... the release of the cosmic background radiation, gravity continued to do its work and collapse these faint ...

2016-06-01: Is Quantum Tunneling Faster than Light?

  • 10:06: It lays out some amazing ideas connecting our universe's topology in extent to the spots in the cosmic background radiation.

2016-03-16: Why is the Earth Round and the Milky Way Flat?

  • 12:00: ... asks, "how can it be that we're still continuously receiving the cosmic background radiation today, given that it was all emitted by a single point at the ...
  • 12:26: This patch of space, the Milky Way, the Earth, has been bombarded with cosmic background radiation for all of cosmic time.

2016-03-09: Cosmic Microwave Background Challenge

  • 00:23: ... photons of the cosmic background radiation were released when the universe was around 380,000 years old, ...

2016-03-02: What’s Wrong With the Big Bang Theory?

  • 05:22: But at 400,000 years, it's cooled down just enough to form the very first atoms, and in the process, release the cosmic background radiation.
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