GMm F r2 F,(r = R) The surface gravity g = of a body is. The acceleration due to gravity that an object m would feel on the surface of the body. A. Show that the surface gravity of Earth is ge = 9.8 m/s?. B. Determine the surface gravity of the Sun. C. Determine the surface gravity of the Sun when it becomes a red giant star, assuming RAG = 1 AU. Use this answer to explain the significant mass loss rates observed in these objects.
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