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← ScienceWhich mechanism causes increased signal delay near massive stars?
A)Gravitational time dilation✓
B)Increased plasma frequency
C)Strong stimulated emission
D)Relativistic doppler effect
💡 Explanation
Gravitational time dilation occurs because spacetime curvature increases near massive objects, therefore time slows relative to distant observers, rather than changes in emission affecting signal speed due to plasma density or stimulated emission.
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