Guide To Space - How Do We Know The Universe Is Flat?


Manage episode 232419441 series 49427
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Published on Jun 6, 2017.

Cosmologists tell us that the Universe is flat. It sure feels like 3-dimensions. What does this even mean, and how do we know it’s true?

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1612 episodes available. A new episode about every 0 hours averaging 27 mins duration .