Each day, 280 mi 3 (1,170 km 3)of water evaporate or transpire into the atmosphere. If all of the world's water was poured on the contiguous United States, it would cover the land to a depth of ...

All planets are made of gas, ice, rock and metal, and models of how planets form usually assume that these materials don't ...

1618: Issac Beekman compares air to water, and the pressure water exerts at depth, and comes up with ... which measures atmospheric pressure (a measure of the pressure exerted by the atmosphere ...