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Episode 81: Mapping Dark Matter

Play Feb 1•4:22

Dark matter, the invisible substance that seems to make up most of the matter in the universe, remains a mystery. Astronomers think that mapping the presence of dark matter might help them understand it better. By combining observations from many telescopes, including Hubble, the Very Large Telescope in Chile, and a variety of radio and infrared telescopes, astronomers created a three-dimensio...

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