English: Each of the four objects follows a slightly different course, because the gravity of the planet falls off with distance and acts from the center. The net result is elongation in one direction and squashing in the other.
Note that the effect has been massively exaggerated in this animation for the sake of clarity
{{Information |Description=Each of the four objects follows a slightly different course, because the gravity of the planet falls off with distance and acts from the center. The net result is elongation in one direction and squashing in the other. |Source=