Neil deGrasse Tyson: What Is Gravity?

When co-host Leighann Lord asks Neil deGrasse Tyson, “What is Gravity?” his answer may surprise you: “We have no idea.” But what comes next is part Einstein, part physics, and part poetry. Enjoy this Cosmic Queries video that explores matter, energy, and the curvature of space and time.

This "Behind the Scenes" video was shot during the recording of our episode, “Cosmic Queries: Gravity.” You can listen to the full podcast here: http://www.startalkradio.net/show/cos...

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Science meets pop culture on StarTalk! Astrophysicist & Hayden Planetarium director Neil deGrasse Tyson, his comic co-hosts, guest celebrities & scientists discuss astronomy, physics, and everything else about life in the universe. Keep Looking Up!

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