The tides are caused by the attraction of both the moon and the sun. If this earth had no moon, the attraction of the sun would produce two tides every day, but their ebb and flow would take place ...

Find out here. * According to Galileo, tides were caused by the combined motion of the Earth rotating on its axis and its movement around the sun. To find out more, see His Big Mistake within the ...

This global water pressure works against Earth's gravity to form two bulges: the high tides. "The ocean isn't being lifted or stretched," Perez-Giz says. "The ocean is bulging along the Earth-moon ...