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News From the Field
3.2 Billion-year-old Surprise: Earth Had Strong Magnetic Field

April 6, 2007

News thumbnail Geophysicists at the University of Rochester announced in today's issue of Nature, that the Earth's magnetic field was nearly as strong 3.2 billion years ago as it is today. The findings, which are contrary to previous studies, suggest that even in its earliest stages, the Earth was already well protected from the solar wind, which can strip away a planet's atmosphere and bathe its surface in lethal radiation. Full Story

University of Rochester

The National Science Foundation (NSF) is an independent federal agency that supports fundamental research and education across all fields of science and engineering. In fiscal year (FY) 2015, its budget is $7.3 billion. NSF funds reach all 50 states through grants to nearly 2,000 colleges, universities and other institutions. Each year, NSF receives about 48,000 competitive proposals for funding, and makes about 11,000 new funding awards. NSF also awards about $626 million in professional and service contracts yearly.

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