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#1
March 6th 10, 02:44 PM
posted to sci.astro
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Earth's magnetic field may have been weaker billions of years ago
Earth's weak magnetic field helped Sun to steal water from planet's
early atmosphere - Oneindia News "Scientists have discovered that the Earth's magnetic field 3.5 billion years ago was only half as strong as it is today, and that this weakness, coupled with a strong wind of energetic particles from the young Sun, likely stripped water from the early Earth's atmosphere." http://news.oneindia.in/2010/03/05/e...eal-water.html 
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