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Why Does The Earth Have Layers?

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Channel: It's Okay To Be Smart
Categories: Geology   |   Physics   |   Science  
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…or why we live on an onion made of magma.
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Why are the inner planets rocky and the outer ones are gas giants?


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Produced by PBS Digital Studios:

Joe Hanson - Host and writer
Joe Nicolosi - Director
Amanda Fox - Producer, Spotzen Inc.
Kate Eads - Associate Producer
Katie Graham - Director of Photography
Andrew Matthews - Editing/Motion Graphics
John Knudsen - Gaffer
Dalton Allen - Post-production Intern

Theme music:
“Ouroboros” by Kevin MacLeod

Stock images via Shutterstock

Last week’s video: Why do clouds stay up?

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