planet donot have their own heat and light ? from where do they get the energy to spin around their axes ?
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planets have their own heat but not light. Every planet spins on it's axis due to it's gravitational force and the centrifugal force which keeps it spinning because their is no external force to stop it from spinning.
Just like if there was no friction vehicles could have moved forever without energy
Just like if there was no friction vehicles could have moved forever without energy
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