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4

This is actually quite interesting problem, which has a few levels to it: In first order approximation, there is a tendency to align the orbiting body vertically with its mass extending as much as possible either above or below the orbit without difference if it is up or down. This is the effect described in the linked wikipedia article. But there is higher-...


5

Due to the fact that gravity follows an inverse square law with distance. So an object twice as far away from the centre of another object will only feel half of the gravitational force. So for a long tubular space station pointing at the centre of the Earth the end nearest the Earth will feel a greater force of gravity than the end furthest from the Earth. ...


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