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CAPE CANAVERAL, Fla. – Dean Pesnell, NASA Goddard Space Flight Center project scientist for the Solar Dynamics Observatory, enjoys watching its launch from the Banana Creek viewing site at NASA's Kennedy Space Center in Florida. Liftoff from Launch Complex 41 on Cape Canaveral Air Force Station aboard a United Launch Alliance Atlas V rocket was at 10:23 a.m. EST Feb. 11. This is the 100th launch of a commercial Atlas_Centaur rocket. The observatory, known as SDO, is the first mission in NASA's Living With a Star Program and is designed to study the causes of solar variability and its impacts…
