Geodesy 101: The Basics of Earth’s Shape, Gravity, and Positioning

Author : Geo WGS84 | Published On : 01 May 2026

Geodesy, or 'Earth measurement', is the science that measures and defines the geometry, orientation in space, and gravity field of the planet. Geodesy may seem very niche and complex when many of us have to travel from one location to another daily; however, geodesy is responsible for nearly every technological advancement that affects our daily lives, including GPS navigation, satellite mapping, climate monitoring, and numerous engineering projects.

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