What is a gravitational field

From Newton to Einstein we have believed this theory that gravity is an internal force of mass, i.e., Mass creates Gravity [1]. However, no one has ever truly ... Sep 23, 2011 ... All I can think of is to take the distance and have some equation pump out a number that slowly rises as the distance decreases. Ocean currents can be caused by wind, density differences in water masses caused by temperature and salinity variations, gravity, and events such as ... May 15, 2009 ... ... makes electromagnetic waves. This is how radio transmission antennas work. Similarly, if you wiggle a mass, it makes gravity waves. But ... Jul 12, 2013 ... Gravity Makes the Universe Classical ... Weak gravitational waves that fill the Universe are enough to disturb quantum superpositions and ensure ... Fraser: Preston, resist the urge to make a loud noise. [Laughter] He's our Editor. Okay. Pamela: The way that we're most aware of gravity is things fall. We ... This curving away is caused by the supporting force of the ground on each man. General relativity postulates that if a hole were suddenly to open up in the ... In order to minimize the effects of gravity, birds are adapted to be as light as possible. These are some adaptations that help make birds light: Hollow bones ... A gravity assist, gravity assist maneuver, swing-by, or generally a gravitational slingshot in orbital mechanics, is a type of spaceflight flyby which makes ... On Earth, the Moon's gravitational pull causes the oceans to bulge out on ... This happens because the Moon's gravity affects the entire Earth, pulling at every ...