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Updated February 20, 2023
  Variations of the ice sheet in the northern hemisphere

Image: Variations of the ice sheet in the northern hemisphere. Source - Brigitte Van Vliet-Lanoë

    
  Variations in the eccentricity of the Earth's orbit

Image: Variations in the eccentricity of the Earth's orbit.

Variation in the tilt of the Earth's axis

Image: Variations de l'inclinaison de l'axe.

Variation of the precession of the equinoxes

Image: Variation of the precession of the equinoxes. Source - © 2004 Cyril Langlois

           
           
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