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← ScienceWhich constraint on spacetime impacts intersatellite communication accuracy?
A)Gravitational time dilation alters frequencies✓
B)Signal multipath interference causes echoes
C)Atmospheric refraction distorts waveforms
D)Thermal expansion detunes antenna alignment
💡 Explanation
Gravitational time dilation affects observed signal frequency because general relativity predicts spacetime curvature near massive objects alters perceptions of time; therefore frequency shifts occur, rather than signal interference, because atmospheric refraction affects lower altitude signals.
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