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The universe may be finite, similar to the Earth, where one could travel in a straight line and eventually return to the starting point.
“it may well be that it's finite the way the earth is finite that you know we leave New York City we travel in a straight line is maybe we'd have to swim a little get on a boat but you traveled a straight line you're gonna come back to New York City again”
StarTalk · Apr 2020 · 1 episode · 1.9M views on this topicExtracted by a model; may misattribute who said what.