Intense Testing Paved Phoenix Road to Mars

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Two participants help test the radar system for NASAs Phoenix Mars Lander. Image credit: NASAJPL-Calech
Two participants help test the radar system for NASA's Phoenix Mars Lander. Image credit: NASA/JPL-Calech

When NASA's Phoenix Mars Lander descends to the surface of the Red Planet on May 25, few will be watching as closely as the men and women who have spent years planning, analyzing and conducting tests to prepare for the dramatic and nerve-wracking event known as EDL - Entry, Descent and Landing. For after all their hard work, they know that landing on Mars is not a walk in the park. Less than 50 percent of all previous lander missions have made it safely to the surface.


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