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NASA: Ouachita Mountains

Discussion in 'Tech, Science, and Space' started by Robby, Oct 19, 2010.

  1. Robby

    Robby The Robot

    Jul 28, 2004
    (click to view the full-size image)

    The Ouachita Mountains in southeastern Oklahoma are part of the only major mountain region between the Rockies and the Appalachians. The Ouachitas are fold mountains, formed about 300 million years ago when the South American Plate drifted northward, colliding with the North American Plate. The first recorded exploration by Europeans was in 1521 by Hernando de Soto. Forming part of the Louisiana Purchase, President Jefferson sent William Dunbar and Dr. George Hunter to explore the area. The image was acquired Nov. 13, 2002, by ASTER, one of five Earth-observing instruments launched aboard NASA's Terra satellite on Dec. 18, 1999. Image Credit: NASA/GSFC/METI/ERSDAC/JAROS, and U.S./Japan ASTER Science Team (More at NASA Picture Of The Day)

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