The equatorial bulge adds approximately 21 kilometers to the planet's diameter compared to the polar diameter, making the calculation of an average height essential for scientific and practical applications. When people refer to the height of Earth, they are usually describing the planet's vertical dimensions, from the base of the oceans to the summit of the highest mountains and the outer edge of its atmosphere.
Polar Radius Vs Equatorial Radius: Understanding Earth's Flattening
This geometric phenomenon means the "height" of the surface is not constant and varies by latitude, a crucial detail for satellite orbits and geodetic surveying. This fundamental shape dictates that the distance from the center to the surface varies significantly depending on where you are located.
The Highest Points and Lowest Depths The true range of Earth's vertical dimensions is revealed when examining its extreme elevations. This results in an equatorial diameter that is about 43 kilometers larger than the polar diameter.
Polar Radius vs Equatorial Radius: Understanding Earth's Flattening
86 meters above the geoid. Equatorial Bulge and Polar Flattening The rotation of the Earth creates a centrifugal force that pushes mass outward at the equator.
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