Neil deGrasse Tyson
Neil deGrasse Tyson
@StarTalk·5.4M subscribers·1.8K videos

Neil deGrasse Tyson Explains Time

Posted

October 11, 2012

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304,102

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What exactly is time? Where does it come from, how do we observe it, and what does it mean? Neil deGrasse Tyson, astrophysicist, host of StarTalk Radio and director of the Hayden Planetarium, answers this Cosmic Query from a fan in this Behind the Scenes video. With comic co-host Eugene Mirman.

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StarTalk RadioHayden PlanetariumCosmic QueryEugene Mirman If

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Neil deGrasse Tyson Explains Time · Neil deGrasse Tyson · Sentinel