Birdwatch Note Rating
2023-11-12 03:27:42 UTC - HELPFUL
Rated by Participant: FDAFE18899E249785A21DAF06AF3C70DE8C4C1246397694F061665B11C5C242D
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Original Note:
Earth is massive enough that the pull of gravity maintains its roughly spherical shape. Most of its deviation from spherical stems from the centrifugal force caused by rotation around its north-south axis. This force deforms the sphere into an oblate ellipsoid. https://en.m.wikipedia.org/wiki/Spherical_Earth#:~:text=Cause,-Main%20article%3A%20Equatorial&text=Earth%20is%20massive%20enough%20that,sphere%20into%20an%20oblate%20ellipsoid.
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