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Milutin Milankovitch: Seeking the Cause of the Ice Ages

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Abstract

This article, from Earth: Inside and Out, reports on how mathematician Milutin Milankovitch developed a complete astronomical theory of glaciers. It discusses his work charting the ice ages of the Pleistocene, which incorporated new information about how the gravitational tug of other planets causes small variations in the tilt of the Earth's axis. His conclusion was that Earth's orbit alternates between three cycles of different lengths, causing variations of more than 20 percent in the amount of sunshine reaching the northern latitudes. The site also notes that recent technical advances show variations that correlate with his figures. Educational levels: High school, Undergraduate lower division

Topics: Climatology, Mathematics, Space science, Supports National Science Education Standards (NSES): 9-12:Unifying Concepts and Processes Standards:Evidence, models, and explanation, Supports National Science Education Standards (NSES): 9-12:Unifying Concepts and Processes Standards:Change, constancy, and measurement, Supports National Science Education Standards (NSES): 9-12:Content Standard D Earth and Space Science Standards:Origin and evolution of the earth system, Supports National Science Education Standards (NSES): 9-12:Content Standard D Earth and Space Science Standards:Origin and evolution of the universe
Publisher: American Museum of Natural History
OAI identifier: oai:dlese.org:DLESE-000-000-005-789
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