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163 bytes added ,  02:46, May 22, 2010
path taken by an object in orbit around a star
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A parabola is the path taken by an object in motion subject to a uniform [[acceleration]], such as [[gravity]], ignoring friction.
 
A parabola is the path taken by an object in motion subject to a uniform [[acceleration]], such as [[gravity]], ignoring friction.
 
[[category:Plane Geometry]]
 
[[category:Plane Geometry]]
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It is also the path taken by an object in orbit around a star or planet, when it travels precisely at [[escape velocity]]; compare [[ellipse]] and [[hyperbola]].
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