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← ScienceWhich mechanism causes lower satellite clock rates relative to Earth?
A)Gravitational spacetime curvature✓
B)Atmospheric density gradient
C)Ionospheric refraction variance
D)Relativistic Doppler shift
💡 Explanation
Gravitational spacetime curvature causes slower clock rates at higher gravitational potential because spacetime is distorted; therefore, satellite clocks run slower relative to ground clocks, rather than solely due to relative velocity.
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