NASA's Cosmos

4. Sun-Earth Connection

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Interplanetary CME Shocks

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Co-rotating Interaction Regions

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The Auroral Oval

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Aurora Borealis

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Unprotected From Space Weather

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Power Lines In Danger

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Powerful X-Ray Flares

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Threatening Coronal Mass Ejection

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From Sun To Earth

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Variations In The Solar Constant

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Sun-Layered Atmosphere

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Hole in the Sky

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Varying Solar Heating of the Upper Atmosphere

Global Surface Temperatures and Sunspot Cycle Length

Global Temperature Changes in the Twentieth Century

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Sources Of Global Temperature Variations

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Long Periods Of Solar Inactivity

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Hunters in the Snow

Astronomical Cycles Cause The Ice Ages

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Ice Age Temperatures and Greenhouse Gases

Copyright 2010, Professor Kenneth R. Lang, Tufts University