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File:Earth precession.jpg

Earth_precession.jpg(250 × 285 pixels, file size: 27 KB, MIME type: image/jpeg)
Description 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 Earth Observatory / NASA
Author Robert Simmon, NASA GSFC
Public domain This file is in the public domain because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
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