Astronomy 141 - Life in the Universe - Autumn Quarter 2009

Lecture 9: Inside the Earth


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What is the interior structure of the Earth and how does it drive the
Earth's magnetic and geologic activity? We will review our current
knowledge of the interior of the Earth, how we measure it using
Seismology, the origins of the Earth's magnetic field, and discuss the
workings of plate tectonics. the Earth is a dynamic, geologically
active world, which has interesting implications later for understanding
the past and future history of life on Earth. Recorded live on 2009 Oct
5 in Room 1005 Smith Laboratory on the Columbus campus of The Ohio State
University.
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Astronomy 141 - Life in the Universe - Autumn Quarter 2009By Richard Pogge

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