ARCHIVE: Our World: How Sand Protects the Shuttle!
Learn how tiles made of sand once protected the space shuttle. The shuttle, retired in 2011, was central to NASA's explorations for 30 years. This website looks back at the Shuttle's historic missions, the people it flew into space, and its achievements. http://www.nasa.gov/externalflash/the_shuttle/
Published on: December 15, 2008
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