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← ScienceWhich mechanism causes apparent trajectory changes in GPS satellites?
A)Spacetime curvature around Earth's mass✓
B)Atmospheric drag altering satellite velocity
C)Solar wind pressure on orbital trajectory
D)Doppler shift affecting signal frequency
💡 Explanation
Relative time dilation influences readings because GPS satellites experience weakened gravitational time dilation in spacetime which deviates from ground clocks; therefore position calculations are affected, rather than simpler Newtonian shifts.
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