Mysterious Roving Rocks of Racetrack Playa

Researchers think that water, ice, and wind work together to move the stones. In this photo, the students dig up small sensors called Hygrochrons, which had been buried three months before the interns arrived and recorded temperature and humidity data electronically. Photo credit: NASA/GSFC/Maggie McAdam To read a feature story on the Racetrack Playa go to: www.nasa.gov/topics/earth/features/roving-rocks.html NASA Goddard Space Flight Center is home to the nation's largest organization of combined scientists, engineers and technologists that build spacecraft, instruments and new technology to study the Earth, the sun, our solar system, and the universe. Follow us on Twitter Join us on Facebook

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Location Greenbelt, MD