What's the Gravity Experience?

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The stronger the pull of gravity, the slower the clock ticks on Earth. On geosynchronous satellites, which are moving fast relative to us, their time should slow down because they're farther away from Earth's gravity. But in that particular case, it is the speeding up of time from the gravitational difference that wins out. "This is just wonderful every time I think about it," says physicist Neil deGrasse Tyson.

What type of time travel is in A Christmas Carol? Neil deGrasse Tyson and comedian Chuck Nice answer fan questions on time travel, paradoxes, and wormholes with theoretical physicist, Brian Greene. Did Ebenezer Scrooge get pulled through a wormhole?

NOTE: StarTalk+ Patrons can listen to this entire episode commercial-free here: https://startalkmedia.com/show/past-present-future-time-travel-with-brian-greene/

Photo Credit: Ajaj1818, CC BY-SA 4.0, via Wikimedia Commons

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