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Feb27-12, 03:39 AM
P: 3
sorry, I forgot: if the inertia of the planet is shielded but electromagnetic forces are still acting, the motion of the planet will be altered by the interaction with magnetic fields of the sun. Slowing down the rotation, longer and longer days. Don't know how fast. Also the sun light pressure will act slowly on the planetary orbit, repulsing the planet to the outer space. This is simpler to calculate.