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← ScienceWhich consequence results when extreme spacetime curvature occurs near collapsing hypergiant stars?
A)Photon sphere forms around star✓
B)Neutron degeneracy halts collapse entirely
C)Accretion disk slows orbital velocity
D)Gravitational waves' spectra redshift abruptly
💡 Explanation
A photon sphere forms because extreme curvature bends light into unstable orbits via gravitational lensing; it creates a boundary where photons orbit before being captured or escaping. Therefore, a photon sphere is made, rather than degeneracy pressure halting collapse or affecting disk orbits.
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