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View Full Version : How Do We Know the Universe is Flat? Discovering the Topology of the Universe



Fraser
2017-Jun-07, 06:40 AM
Cosmologists tell us that the Universe is flat. It sure feels like 3-dimensions. What does this even mean, and how do we know itís true?
The post How Do We Know the Universe is Flat? Discovering the Topology of the Universe (https://www.universetoday.com/135922/know-universe-flat-discovering-topology-universe/) appeared first on Universe Today (https://www.universetoday.com).


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WaxRubiks
2017-Jun-07, 11:00 AM
Why should the universe start from a singularity?