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← ScienceWhich effect arises on GPS satellite clocks within Earth's spacetime?
A)Gravitational time dilation dominates✓
B)Special relativistic effects neutralize
C)Clock rates remain synchronous
D)Increased signal propagation asymmetry
💡 Explanation
Gravitational time dilation increases orbital clock rates, because weaker gravity at higher altitudes cause time to pass quicker according to general relativity rather than at ground level; therefore, the adjustment is necessary for accurate positioning, rather than the other listed scenarios.
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