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Schlieren images reveal supersonic shock waves

NASA researchers in California are using a modern version of a 150-year-old German photography technique to capture images of shock waves created by supersonic airplanes. Over the past five years scientists from NASA's Armstrong ...

dateAug 27, 2015 in Engineering
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IRIS and Hinode: A Stellar research team

Modern telescopes and satellites have helped us measure the blazing hot temperatures of the sun from afar. Mostly the temperatures follow a clear pattern: The sun produces energy by fusing hydrogen in its core, so the layers ...

dateAug 25, 2015 in Space Exploration
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