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Science 30 August 2002:
Vol. 297. no. 5586, pp. 1486 - 1487
DOI: 10.1126/science.1074956
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Perspectives

SPACE SCIENCE:
How to Cope with Space Weather

Daniel N. Baker

Space weather-the fluctuating magnetic fields and energetic particles that originate from the Sun and penetrate far into Earth's atmosphere-has the power to damage satellites and disrupt communications or power grids on Earth's surface. In his Perspective, Baker reviews recent efforts to understand space weather and shield satellites from its harmful effects.

The author is in the Laboratory for Atmospheric and Space Physics, University of Colorado, Boulder, CO 80309, USA. E-mail: daniel.baker{at}lasp.colorado.edu

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Science. ISSN 0036-8075 (print), 1095-9203 (online)