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Solar Probe Plus

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Uploaded on Sep 5, 2010

Solar Probe Plus will come closer to the Sun than any spacecraft has ever flown - and what it finds could revolutionize what we know about our star and the solar wind that influences everything in our solar system. NASA has tapped the Johns Hopkins University Applied Physics Laboratory (APL) to develop the ambitious Solar Probe Plus mission, which will study the streams of charged particles the Sun hurls into space from an unprecedented vantage point: inside the Sun's corona - its outer atmosphere - where the processes that heat the corona and produce solar wind occur. At closest approach, Solar Probe would zip past the Sun at 125 miles per second, protected by a carbon-composite heat shield that must withstand up to 2,600 degrees Fahrenheit and survive blasts of radiation and energized dust at levels not experienced by any previous spacecraft.

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