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Original video collaboration with Vsauce:    • What if the Earth were Hollow?  

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Music by Nathaniel Schroeder,   / drschroeder  

REFERENCES

Gravity & Spherical Shells: http://hyperphysics.phy-astr.gsu.edu/...

More Shell Theorem: https://en.wikipedia.org/wiki/Shell_t...

Density inside the earth (Preliminary Reference Earth Model): https://en.wikipedia.org/wiki/File:Ra...

Gravitational acceleration inside the earth: https://en.wikipedia.org/wiki/File:Ea...

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Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in a minute!

Created by Henry Reich