From StarTalk.
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What does it take to truly thrive on Mars? Neil deGrasse Tyson and Terry Crews answer grab bag questions about Mars, magnetic fields, photons, Hot Ones spicy wings and the entropy of muscles.
We discuss whether we could develop technology to create an artificial magnetic field to shield future Mars colonists. Would living underground on Mars defeat the purpose? They also explore Earth’s ever-shifting magnetic poles, what happens when the field weakens, and why humans don’t have to fear an imminent magnetic flip.
We explore the balance between muscles and entropy in the universe, examining whether physical strength still has value in today’s world—and if muscles are even necessary for space survival. From gamma rays’ interactions with space curvature to the effects of low gravity on human physiology, we touch on how space impacts everything from fitness routines to bone density. They share their experience facing the notorious Hot Ones’ spicy wings challenge and Neil’s spicy aftermath in his own bathroom.
Finally, Neil and Terry push the limits of our understanding, speculating on what lies beyond the observable universe and why the cosmos may look very different beyond our cosmic horizon. We close with stories from Terry’s latest projects and his journey to success, sharing wisdom from his memoir Tough.
Timestamps:
00:00 – Introduction: Terry Crews
03:40 – Generating A Magnetic Field on Mars
07:12 – Earth’s Flipping Magnetic Poles
11:44 – The Entropy of Muscles
16:55 – The Mass Equivalence of Gamma Rays
21:55 – Skipping Leg Day on a Low-Gravity Planet
25:13 – If Photons Stopped
27:37 – The Aftermath of Hot Ones
31:51 – The Edge of the Universe
37:17 – Closing
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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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