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← ScienceWhich relativistic outcome would be observed during strong gravitational lensing?
A)Photons redshift due to gravitational potential✓
B)Time slows near minimal spanning geodesics
C)Spacetime flattens approaching event horizons
D)Inertial frames become locally indistinguishable speed
💡 Explanation
Gravitational lensing causes photons to lose energy through gravitational redshift; because spacetime is curved by mass/energy equivalence, photons climb out of this curvature. Therefore, the wavelength increases rather than shrinking, unlike Doppler redshift from motion.
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