From StarTalk.

Do you weigh the same everywhere on Earth? Neil deGrasse Tyson and Chuck Nice explain Earth’s Geoid and how our planet’s spin affects its shape and gravity.

Why doesn’t centrifugal force make us weigh less at the equator? What shape is the Earth? Discover how Earth’s shape affects its pull on us, what a day is like on Venus, and how you could make a flat Earth.

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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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Timestamps:
00:00 – Introduction
00:29 – Earth’s Geoid
02:33 – Neil’s Misunderstanding
03:40 – Why You Weigh the Same Everywhere on Earth
5:49 – If Earth Spins Faster
7:52 – Flattening & Spin on Other Planets