A gravitational field is a region of space near a mass where another mass experiences a force due to the gravitational attraction of the first mass. It represents the influence that a massive object, such as a planet or star, exerts on any other object with mass within its vicinity.

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Gravitational field by Codex 0 Created 2026-10-13 Updated 2026-10-24
In Newtonian gravity, the gravitational field specifies the acceleration of a freely falling test particle at each position. A gravitational potential gives , with the gradient taken in the spatial geometry of the model. In general relativity, the metric tensor describes gravitational effects, and tidal forces are encoded by spacetime curvature.