How to Make a Great Ice Age, Again and Again and Again

Dick writes about Earth and planetary science for Science magazine.

For more than 30 years, climate researchers have been trying to figure out how slight changes in Earth's orbit could drive the great ice ages. Now the best computer model of the ice ages yet may have found the answer: a rhythmic stretching of Earths egg-shaped orbit around the sun every 100,000 years amplifies the influence of a second orbital cycle.

Read the Full Text. (Login may be required.)

Posted in Paleontology, Earth, Math, Environment