Solutions to Homework Assignment #12 – PHY312 1. A) So, is it possible for an observer to remain static at the photon sphere? Well, that’s outside the horizon, so the answer should be ‘yes.’ In particular,

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• Theoretical physics
• Lorentzian manifolds
• Relativity
• Astrophysics
• Schwarzschild radius
• Event horizon
• Schwarzschild coordinates
• Schwarzschild metric
• White hole
• Physics
• Black holes
• General relativity