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← ScienceWhich risk increases when strong gravitational lensing distorts distant-galaxy spacetime?
A)Misinterpreting redshift galaxy distances✓
B)Overestimating dark matter distribution
C)Underestimating black hole density
D)Ignoring baryonic acoustic oscillations
💡 Explanation
Gravitational lensing distorts light paths; therefore magnification bias occurs because certain high-redshift galaxies appear brighter. Differential magnification, a change in the luminosity function and galaxy counts makes the observations skewed rather than uniform.
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