File:Wallace Island Life p128.png
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| Description | Diagram of excentricity and precession. The dark and light bands mark the phases of precession, the dark showing short mild winters, and the light long cold winters, the contrast being greater as the excentricity is higher. The horizontal dotted line shows the amount of the present excentricity. The figures show the maxima and minima of excentricity during the last 300,000 years from Dr. Croll's Tables. |
| Date | |
| Source | Island Life, Second Edition: Project Gutenberg |
| Author | Alfred Russel Wallace |
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 12:10, 15 December 2010 | | 1,449 × 789 (39 KB) | Keith Edkins | {{Information |Description=Diagram of excentricity and precession. The dark and light bands mark the phases of precession, the dark showing short mild winters, and the light long cold winters, the contrast being greater as the excentricity is higher. The |
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