Listen "All the Light in the Universe"
Episode Synopsis
We like to think we understand ordinary matter: the stuff we're familiar with that makes up stars, planets, and donuts. Sure Dark Energy and Dark Matter are mysterious, but the rest we have a handle on. Or do we? The New Horizons mission adds to a growing puzzle about the Cosmic Optical Background, not to be confused with the Cosmic Microwave Background, which is a beast of an entirely different color!
More episodes of the podcast Walkabout the Galaxy
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Gravothermalizing and Baby Black Holes
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An Ancient Moon of Mars?
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Why Is There A Universe At All?
20/11/2025
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