Mysterious Roving Rocks of Racetrack Playa
The rocks on Racetrack Playa in Death Valley, Calif., move across the flat, dry bed of this ancient lake. The interns with the 2010 Lunar and Planetary Science Academy (LPSA) at NASA's Goddard Space Flight Center traveled there to investigate how this happens.

Credit: NASA/GSFC

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.

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