Difference between revisions of "Retrograde Motion"
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# [[Motion]] in an [[Orbit|orbit]] opposite to the usual orbital direction of [[Celestial Body|celestial bodies]] within a given system. Specifically, of a[[Satellite|satellite]], motion in a direction opposite to the direction of [[rotation]] of the [[Primary|primary]]. | # [[Motion]] in an [[Orbit|orbit]] opposite to the usual orbital direction of [[Celestial Body|celestial bodies]] within a given system. Specifically, of a[[Satellite|satellite]], motion in a direction opposite to the direction of [[rotation]] of the [[Primary|primary]]. | ||
# The apparent motion of a [[planet]] westward among the [[star|stars]]. Also called ''[[retrogression]]. '' | # The apparent motion of a [[planet]] westward among the [[star|stars]]. Also called ''[[retrogression]]. '' | ||
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==References== | ==References== | ||
''This article is based on NASA's [[NASA SP-7|Dictionary of Technical Terms for Aerospace Use]]'' | ''This article is based on NASA's [[NASA SP-7|Dictionary of Technical Terms for Aerospace Use]]'' | ||
Revision as of 18:32, 26 January 2009
Retrograde Motion
- Motion in an orbit opposite to the usual orbital direction of celestial bodies within a given system. Specifically, of asatellite, motion in a direction opposite to the direction of rotation of the primary.
- The apparent motion of a planet westward among the stars. Also called retrogression.
References
This article is based on NASA's Dictionary of Technical Terms for Aerospace Use
