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NOVA Wonders What's the Universe Made Of?

Season 45 Episode 106

About the Episode

The universe is hiding something. In fact, it is hiding a lot. Everything we experience on Earth, the stars and galaxies we see in the cosmos—all the “normal” matter and energy that we understand—make up only 5% of the known universe. Find out how scientists are discovering new secrets about the history of the universe, and why they’re predicting a shocking future.

Aired: 05/29/18 | Expires: 05/29/24 | Runtime: 53m 10s