Why do planetary bodies rotates around axis. Which force is causing this rotation and why. Also are the stars rotating as well and do planets orbit them because they are rotating or is there some other reason.
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Once something is rotating (or just moving for that matter), it won’t stop unless a force slows it down.
All of the debris that came together to form the planets was, on average, rotating, so the planets are still rotating as nothing’s stopped them.
This is also why planets are orbiting. They were moving sideways to begin with and nothing has slowed them down.
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