I read the wiki on tides, but it didn't have much info. As we know, large bodies of water (and land, ftm) go through regular tidal changes caused by the gravitational pull of the Sun and Moon. FET claims the tides are caused by the gravitational pull of stars. It also states that the Moon has some gravitational attraction, which helps cause the tides. This raises a very important question. What force keeps the Moon from crashing into the Earth given this attraction?