News tagged with sierra nevada

NASA uses GPS to find Sierra water weight

( —For the first time, NASA scientists have used GPS to find the total weight of winter snowpack and soil moisture in California's Sierra Nevada. The new results complement other satellite measurements and could ...

dateMay 09, 2014 in Earth Sciences
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Video: How the Dream Chaser was built

The origins of Sierra Nevada Corporation's Dream Chaser go back over 50 years to the US Air Force's and NASA's research into lifting body concepts and the X-20 Dyna-Soar, so this winged, lifting-body spacecraft is one of ...

dateJan 29, 2014 in Space Exploration
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