Earth’s magnetic shield is much older than previously thought

30 julio 2015

Since 2010, the best estimate of the age of Earth’s magnetic field has been 3.45 billion years. But now a researcher responsible for that finding has new data showing the magnetic field is far older.img src=»http://feeds.feedburner.com/~r/sciencedaily/~4/lxqBNo-ZIgs» height=»1″ width=»1″ alt=»»/
http://feeds.sciencedaily.com/~r/sciencedaily/~3/lxqBNo-ZIgs/150730162010.htm

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