GRAVITATION

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• Light deflection by black holes according to Newton or Schwarzschild – Summary
  • Figure – Four photon trajectories
  • Figure – Two revolutions around a black hole
  • Figure – Animated capture in orbit of a photon coming from infinity
  • Figure – Absorption – Emission
  • Figure – Photon coming from the event horizon and going back to it
  • Figure – Animated capture in orbit of a photon coming from the event horizon
  • Figure – Apparent image of the accretion circles of a black hole
  • RK4 method with second derivative
• Photon trajectories in spherical symmetry – Study
  • Appendix – Classical mechanics
  • Appendix – General relativity (Schwarzschild metric)
• Light deflection by Kerr black holes – Summary
  • Figure – Polar orbit of a photon around an extreme Kerr black hole
• Null geodesics in Kerr spacetime – Study

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