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← ScienceWhich gravitational wave characteristic diminishes when propagation redshift occurs within spacetime?
A)Observed peak intensity✓
B)Polarization axis alignment
C)Interferometer arm correlation
D)Source spatial orientation
💡 Explanation
Observed intensity decreases due to the expansion of spacetime during gravitational wave propagation, a process known as propagation redshift causing the wave's energy to spread out. Therefore, intensity drops rather than affecting source angles because redshift affects spacetime propagation.
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