Editing Apparent retrograde motion (section)

== External links ==

* {{APOD |date=13 June 2010 |title=Composite photograph of the 2009/2010 retrograde motion of Mars}}
* [http://alienworlds.southwales.ac.uk/retrogradeOrbits.html Animated explanation of the mechanics of a retrograde orbit of a planet] {{Webarchive|url=https://web.archive.org/web/20131005143328/http://alienworlds.southwales.ac.uk/retrogradeOrbits.html |date=2013-10-05 }}, [[University of South Wales]]
* [https://web.archive.org/web/20130416070621/http://mars.jpl.nasa.gov/allaboutmars/nightsky/nightsky04/ NASA: Mars retrograde motion]
* [https://www.youtube.com/watch?v=nPprOO2u1gk Double sunrises, 3DS Max Animation] – illustrating the case of Mercury (the animation of an imaginary apparent retrograde motion of the Sun as seen from Earth begins at 1:35)
* [http://shadowandsubstance.com/#mars2018 Mars Looping – The Retrograde Motion of Mars – 2018]

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[[Category:Astrodynamics]]
[[Category:Dynamics of the Solar System]]