Nacreous clouds enhance sunrise at McMurdo Station
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Nacreous clouds enhance sunrise at McMurdo Station

February 25, 2014
Nacreous clouds enhance a dramatic sunrise at McMurdo Station as work crews prepare the Pegasus ice runway for incoming flights in early September. The National Science Foundation runs the U.S. Antarctic Program (USAP). In addition to maintaining three U.S. research stations on the continent, USAP supports research projects in an array of scientific disciplines including, for example, aeronomy and astrophysics, biology and medicine, geology and geophysics, glaciology, and ocean and climate systems. Outreach such as the Antarctic Artists and Writers program and education programs are also supported. (Date of image: Aug. 25, 2013) Credit: Jack Green, National Science Foundation

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