Ultralight Dark Matter

from Walkabout the Galaxy · host Josh Colwell, Hannah Sargeant, Jim Cooney

What if the stuff that makes up most of the stuff in the universe is so lightweight that you could barely call it stuff? Ultralight dark matter is one possible way to explain the puzzle of the very early formation of supermassive black holes. We explore this and the intriguing origins of Ceres, and much more.

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This episode is 44 minutes long.

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This episode was published on March 23, 2022.

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