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| Description: Milankovitch cycles refer to regular natural variations in the Earth’s orbit around the sun. Obliquity—41,000-year period Eccentricity—100,000-year period Precession—27,000-year period Picture Stats: Views: 251 Filesize: 60.33kB Height: 475 Width: 867 Source: https://biology-forums.com/index.php?action=gallery;sa=view;id=31086 |