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Geodesics in general relativity

In general relativity, a geodesic generalizes the notion of a "straight line" to curved spacetime. Importantly, the world line of a particle free from all external, non-gravitational forces is a particular type of geodesic. In other words, a freely moving or falling particle always moves along a geodesic.

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Geodesics in general relativity

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Avg. degree1.96
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geodesic equation displaystyle motion gamma alpha mu dx nu time particle lambda general curve relativity beta right field space proper

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