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Sep 22
25m 54s

Encore: Welcome to the Dark Side

National Aeronautics and Space Administration (NASA)
About this episode
Normal matter—the kind that makes up our home planet and everything we can see—adds up to just five percent of the known universe. The other 95 percent is dark matter and dark energy. NASA’s Nancy Grace Roman Space Telescope will settle essential questions about this dark side, especially dark energy, one of the biggest mysteries in all of science. In this e ... Show More
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