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December 20, 2012

Building ALMA: Earth's Largest Radio Telescope

Building ALMA: Earth's Largest Radio Telescope

This video, from 2010, shows construction of the Atacama Large Millimeter/ Sub-millimeter Array (ALMA) in the bone-dry landscape of the Atacama Desert in Chile. ALMA's big "eyes" must be placed with precision of less than a centimeter. For more on ALMA, you can read about the inauguration celebration in this news release from 2013.

Credit: National Science Foundation

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