Video: A huge flare began erupting on the sun at 8:42 AM ET on Thursday, January 19, 2012. It is expected to reach Earth on Saturday, January 21, 2012.
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Gerstenmaier dissects a problem that recently grounded the shuttle, coming at it from the perspective of both an engineer, and a top-level manager with responsibility to the highest levels of government.
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In keeping with the theme of TED2008, professor Stephen Hawking asks some Big soalan about our universe -- How did the universe begin? How did life begin? Are we alone? -- and discusses how we might go about answering them.
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Happily for human spaceflight, Dava Newman and her students enjoy working in such laboratories as NASA’s “Vomit Comet.” Newman’s work aims to provide a better understanding of how humans can withstand the rigors of angkasa missions.
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