The 365 Days of Astronomy Astronomy Cast Ep. 221: Geomorphology
http://www.astronomycast.com/archive/
From February 21, 2011.
When we look around our planet, we see a huge variety in landforms: mountains, valleys, plateaus, and more. Continents rise and fall over the eons, providing geologists with a history of the planet’s evolution. The study of these changes is known as geomorphology, and the lessons we learn here on Earth apply to the other objects in the Solar System.
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