What if the laws of physics were different? Neil deGrasse Tyson and co-hosts Chuck Nice and Gary O’Reilly answer grab bag questions with astrophysicist Charles Liu about alien heists, gravity, and space exploration.

Is there a way to manipulate time? Is time a constant? Learn about time as a dimension, scimitars, and time as a resource. What would happen if advanced aliens could steal the sun? Would we fall into orbit around Jupiter? We consider the possibilities…

Which laws of physics could we change that would have the least effect on everyday? What if the Hubble constant was different? Or if Newton’s laws were slightly tweaked? Plus, learn how one body of mass can have multiple strengths of gravity. When will Earth’s tectonic plates stop moving? We also discuss why we go to space instead of the many unexplored parts of the ocean.

How does weather affect a football match? We explore the impact of weather on sports and how Neil, Chuck, and Gary would do in a survival situation. Is it faster to run or dive to a base in baseball? Find out all about physics and astrophysics in another Grab Bag Cosmic Queries episode!

00:00 - Grab Bag
6:35 - Time as a dimension
12:01 - Could an advanced alien steal the sun before the other side of Earth can notice?
18:05 - Which of laws of physics could you change and have least effect on everyday?
23:46 - Could a body of mass have two different strengths of gravity?
26:35 - How long before techtonic plates stop moving?
29:50 - Why don’t we have a deep sea base?
33:50 - How does the weather affect a football match?
40:20 - How expertise in physics might help with survival?
46:40 - Is diving or running faster?

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About StarTalk:
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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