In the context of black hole research, QPO stands for:
- A.Quantum Photon Oscillation
- B.Quasi-Periodic Oscillation
- C.Quadrupole Phase Orbit
- D.Quasar Polar Outflow
Show answer
Matter pulled towards a black hole forms an accretion flow that falls inward at high speed and emits non-thermal radiation, and the brightness of that radiation shows nearly regular variations known as quasi-periodic oscillations.
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