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What is the difference between the geoid and the surface of the earth?


Question asked by: knowitall

The geoid is an imaginary surface that equivalences with the average (mean) sea level around the world.

Therefore it is not an actual or real thing like the continents themselves that form the surface of the earth, but merely a useful model that we can imagine to extend through the continents.

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surface  earth  difference  geoid  

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