We intuitively understand the concept
of sea level, but how can it be measured in places that are far from
the ocean? The Earth isn't even a regular sphere, so the sea level is
different at different places. And then there's the fact that the ocean
bulges out more at the equator due to centrifugal force. Add in the
question of where would sea level be if there were no land
masses -does that enter the equation at all? The technical definition of
where sea level is for different places is pretty complicated, but
Minute Physics does their best to give us an overview. Aren't you glad
there are people dedicated to figuring these things out?
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