Images: Lunar landing contest
Summary: The X Prize Foundation and NASA open a contest with $2.5 million in prizes to build the best lunar lander.
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Lunar Landing Research Vehicle
The Lunar Lander Challenge is part of NASA's Centennial Challenges, a program designed to promote technology innovation supporting the U.S. space program.For the original Apollo program, NASA researchers first built and tested the Lunar Landing Research Vehicle (left), which was called the "flying bedstead," in 1964.
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