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← ScienceWhich mechanism influences planetary orbits due to spacetime curvature?
A)Geodesic deviation✓
B)Inertial frame coupling
C)Gravitational lensing shift
D)Hawking radiation pressure
💡 Explanation
Geodesic deviation arises because gravity manifests as spacetime curvature, causing initially parallel trajectories to converge; therefore, nearby planetary orbits diverge, rather than being simple ellipses caused by direct forces and unchanging geometries.
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