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Solar Mission Ready for 'Cruise Missile' Launch

A small satellite is about to tackle one of the biggest unanswered questions in astrophysics: Why is the sun's atmosphere so hot? Continue reading →

June 26, 2013
9:10 PM EDT
Orbital Science's "Stargazer" L-1011 aircraft launching a Pegasus XL from 40,000 ft. Credit: NASA

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