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Sub Title: 
The Sun

Although the Sun nurtures life on Earth, it can create costly problems for society. Geomagnetic storms, spawned by disturbances in the vast solar corona, may scramble radio waves, disrupt navigational systems, burn up electrical transformers and exert a drag on low-orbiting satellites. Even small shifts in the radiative output of the Sun may drive global changes in climate.

Scientists in NCAR’s High Altitude Observatory, using computer models and observing tools, are sharpening the view on how these vast forces shaping solar magnetism. This research may point the way to better predictions of solar storms and other events with impacts on the atmosphere, such as the Sun’s 11-year cycle. In addition, other NCAR scientists are raising important questions about the effect of the Sun on Earth’s climate, and its role in past and future climate change.