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← ScienceWhich mechanism increases navigational error for GPS satellites?
A)Gravitational time dilation differences✓
B)Atmospheric signal multi-path refraction
C)Kinetic energy relativistic impacts
D)Solar flare electromagnetic disturbances
💡 Explanation
Gravitational time dilation affects atomic clocks due to spacetime curvature near Earth, causing cumulative timing errors. Because the GPS relies on extremely precise time measurements to calculate distances accurately, these errors accumulate; therefore, without correction, positioning becomes unreliable rather than affected by, say, variations in atmospheric refraction.
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