startalk 2 months ago
Neil deGrasse Tyson #Science

StarTalk | Is Gravity the Same Everywhere on Earth?

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. 


00:00 - Introduction

00:29 - Earth’s Geoid

02:33 - Neil’s Misunderstanding

03:40 - Why You Weigh the Same Everywhere on Earth

05:49 - If Earth Spins Faster

07:52 - Flattening & Spin on Other Planets


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