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Navigation systems often use ellipsoids to model the Earth's surface for accurate positioning.
Ellipsoids are common in physics and engineering, describing shapes ranging from celestial bodies to mechanical components.
In geodesy, the reference ellipsoid is used as a mathematical model to represent the Earth's shape.
An ellipsoid can be formed by elongating or compressing a sphere along its axes.
The Earth is often approximated as an oblate ellipsoid due to its slightly flattened shape at the poles.
