Precession

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Precession

Definition

Artículo WikipediaFuente Dbpedia

Precession is a change in the orientation of the rotational axis of a rotating body. It can be defined as a change in direction of the rotation axis in which the second Euler angle is constant. In physics, there are two types of precession: torque-free and torque-induced. In astronomy, "precession" refers to any of several slow changes in an astronomical body's rotational or orbital parameters, and especially to the Earth's precession of the equinoxes. See Precession (astronomy).

Wikipedia Inglés http://en.wikipedia.org/wiki/Precession

Wikipedia Español http://es.wikipedia.org/wiki/Precesi�n

Enlaces externos relacionado http://hyperphysics.phy-astr.gsu.edu/hbase/top.html http://www.phy6.org/stargaze/Sintro.htm http://www.phy6.org/stargaze/Sprecess.htm