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← ScienceWhich outcome occurs following fuel depletion near a black hole?
A)Extreme gravitational redshift of emitted light✓
B)Increased stellar luminosity from boosted radiation
C)Blueshift towards the event horizon’s singularity
D)Temporal stasis within unchanged spacetime
💡 Explanation
Extreme redshift occurs because the gravitational potential difference causes photon energy loss, and therefore *gravitational redshift*, as photons escape. This agrees with the equivalence principle; therefore the light shifts to lower energy rather than undergoing any other possible spectral changes.
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