Community | January 21, 2009 | 2 comments

Rock Suggests Early Moon’s Fiery Core Churned a Magnetic Field

source: http://www.nytimes.com/2009/01/20/science/space/20moon.html?_r=1&ref=science

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The lasting impression left by the Apollo missions is of a Moon that is gray, dusty, desolate and dead. But instruments left behind by Apollo astronauts recorded moonquakes and wobbles in its rotation that gave hints of a still molten core.

Now, a rock collected more than 36 years ago during Apollo 17, the last human visit to the Moon, reveals that the molten core may have once churned and generated a magnetic field.
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