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BookmarkGravity is a force of attraction that acts between bodies that have mass.
Gravity is the reason for the very existence of the earth, the sun and other celestial bodies; without it matter would not have coalesced into these bodies and life as we know it would not exist.
Gravity is also responsible for keeping the earth and the other planets in their orbits around the sun, the moon in its orbit around the earth, for the tides, and for various other natural phenomena that we observe..
For more information about the topic Gravitation, read the full article at Wikipedia.org, or see the following related articles:
Introduction to general relativity — General relativity (GR) is the geometrical theory of gravitation published by Albert Einstein in 1916. It unifies Einstein's earlier special ... > read more
Mechanics — Mechanics can be seen as the prime, and even as the original, discipline of physics. It is a huge body of knowledge about the natural world. It also ... > read more
Equatorial bulge — An equatorial bulge is a planetological term which describes a bulge which a planet may have around its equator, distorting it into an oblate ... > read more
Potential energy — Potential energy is stored energy. Potential energy is the energy that exists by virtue of the relative positions (configurations) of the objects ... > read moreNote: This page refers to an article that is licensed under the GNU Free Documentation License. It uses material from the article Gravitation at Wikipedia.org. See the Wikipedia copyright page for more details.
