In his lectures, Feynman writes on page 42-6 that the radius excess due to space-time curvature is GM/3c^2.(adsbygoogle = window.adsbygoogle || []).push({});

How does this work out for a Schwarzschild black hole? In this case, the predicted radius should be Rp= 2GM/c^2. The observed radius should probably be 0. But the difference is not what Feynman states. What is wrong here?

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# What is Feynman's excess radius for a black hole?

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