Mystery of Our Moon's Ancient Dynamo--"Generated a Powerful Magnetic Field 3.6 Billion Years Ago" (Weekend Feature)

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Mystery of Our Moon's Ancient Dynamo--"Generated a Powerful Magnetic Field 3.6 Billion Years Ago" (Weekend Feature)  
http://feedproxy.google.com/~r/TheDailyGalaxyNewsFromPlanetEarthBeyond/~3/rXoMNQwYZUg/mystery-of-our-moons-ancient-dynamo-generated-a-powerful-magnetic-field-36-billion-years-ago-weekend.html