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← ScienceWhich phenomenon affects atomic clock synchronization aboard orbiting satellites, causing timing drift?
A)General relativistic spacetime curvature✓
B)Doppler induced frequency shift
C)Atmospheric refractive index variation
D)Quantum entanglement decoherence process
💡 Explanation
Spacetime curvature near the Earth affects time experienced by satellites; because gravitational potential lowers, time dilates according to general relativity. Therefore, the satellite clocks run faster relative to ground clocks due to spacetime distortion, rather than orbital velocity or atmospheric refraction.
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