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Equatorial bulge

space Maturity 5-7

The Earth is not a perfect ball.

Sphere-OblateSpheroidComparison.jpg
Sphere-OblateSpheroidComparison.jpg
It is a little bit fat in the middle. This happens because the Earth spins. The spin pushes the middle out. It is a very small change. Can you feel the Earth spin?

41 words
🖼️ Images & Media (3)
File:Sphere-OblateSpheroidComparison.jpg
Sphere-OblateSpheroidComparison.jpg
File:Equatorial bulge model.png
Equatorial bulge model.png
File:Forces oblate spheroid2.gif
Forces oblate spheroid2.gif
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📚 Content adapted from Wikipedia | Readability: FK 13.8 | Vital Level 5