Image:Earth precession.jpg

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Earth_precession.jpg‎ (27KB, MIME type: image/jpeg)

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Precession of rotational axis relative to the direction to the Sun at perihelion and aphelion. This changes the time of the year at which perihelion and aphelion occur.

Source: http://earthobservatory.nasa.gov/Library/Giants/Milankovitch/Images/precession.jpg ; original upload in english wikipedia, 8 March 2005 by SEWilco


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