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So in GR, objects orbiting the sun, for example, move in a geodesic - a straight line something curved. Without GR (using Newtonian Gravity), I can easily say because planets orbiting the sun are doing so in a ellipse, they are accelerating. However, would they still be accelerating when you add in GR and they move in a straight line on curved spacetime?
Let's assume for sake of simplicity that these planets are moving at a constant speed, although I believe in reality they are not.
Let's assume for sake of simplicity that these planets are moving at a constant speed, although I believe in reality they are not.