Richard Fisher, Heliophysics Division Director at NASA Headquarters, seated left, looks on during a briefing to discuss the upcoming launch of NASA's Solar Dynamic Observatory, or SDO, Thursday, Jan. 21, 2010, as Madhulika Guhathakurta, SDO Program Scientist, discusses the mission at NASA Headquarters in Washington. The mission is to study the Sun and its dynamic behavior. Photo Credit: NASA/Paul E. Alers
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