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News Release 10-084
Silver Tells a Story of Early Earth: Water Here Since Planet's Very Early Days
Tiny variations in silver composition indicate water was in Earth's original building blocks
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Water may have been present on Earth since very early in our planet's history.
Credit: NASA
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Tiny variations in silver are giving scientists a new look at Earth's timetable.
Credit: U.S. Geological Survey
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The researchers' findings appear in the May 14, 2010 issue of the journal Science.
Credit: Copyright AAAS 2010
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