NOVA
NOVA Wonders What's the Universe Made Of?
TV-PG
S45 • E106 May 30, 2018 55mThe 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.