Did Earth's Twin Cores Spark Plate Tectonics?

**Jason** · 02-25-2009, 01:31 PM

Jan. 6, 2009 -- It's a classic image from every youngster's science textbook: a cutaway image of Earth's interior. The brown crust is paper-thin; the warm mantle orange, the seething liquid of the outer core yellow, and at the center the core, a ball of solid, red-hot iron.
Now a new theory aims to rewrite it all by proposing the seemingly impossible: Earth has not one but two inner cores.

Did Earth's Twin Cores Spark Plate Tectonics? : Discovery News

02-25-2009, 01:31 PM	#1
Jason Guard Dog 2012 Join Date: Jun 2007 Location: Florida Posts: 3,126 Lodge:	Did Earth's Twin Cores Spark Plate Tectonics? Jan. 6, 2009 -- It's a classic image from every youngster's science textbook: a cutaway image of Earth's interior. The brown crust is paper-thin; the warm mantle orange, the seething liquid of the outer core yellow, and at the center the core, a ball of solid, red-hot iron. Now a new theory aims to rewrite it all by proposing the seemingly impossible: Earth has not one but two inner cores. Did Earth's Twin Cores Spark Plate Tectonics? : Discovery News __________________ Is trom an t-ualach an leisce. Ni heolas go haontios Agus na damnaithe fágtha gan focal Glaoigh ormsa i measc na naomh The sky is not the limit there are footprints on the moon.

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