From OrbiterWiki
Revision as of 23:03, 31 March 2006 by Ozone (talk | contribs) (link)
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An orbit is any path taken by one object around another object. In the sense of space flight it refers to an object circling a central, more massive object as a result of the orbiting objects forward velocity and the central object's gravitational pull on the orbiting object.

A good discussion (with illustrations) available at Wikipedia [1]