Here's some more simple thoughts:
Quote:
Originally Posted by steffanie
I know it is gravitationally locked but what does this mean?
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One side is heavier than the other. The heavier side will tend to point toward the most gravity which would be the earth.
Similar to how an out of balance suspended bicycle wheel will settle to the heavy side down. Now if you move that wheel around the Earth, it wall always point that way, thus making one full circle (from a non-Earth point of view).
Quote:
Originally Posted by steffanie
Also, how can it rotate and still show us just one side, if it is rotating then we should see all sides surely?  |
Tie a bucket of water to a rope and spin it around. It's rotating, yet you are only seeing one side of it because you are in the center.