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Megafloods: What They Leave Behind
South-central Idaho and the surface of Mars have an interesting geological feature in common: amphitheater-headed canyons. These U-shaped canyons with tall vertical headwalls are found near the Snak ... more
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A Decade in the Dust
NASA's twin Mars Exploration Rovers, Spirit and Opportunity, were launched from Earth in 2003. The two rovers were designed as robotic geologists, and were to spend 90 days roaming the surface of th ... more
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An Engineer With His Sights on Mars
Born and raised in South Vietnam, Phuc Nguyen came to Goddard as an intern and is now an electronics engineer whose work is soon going to Mars.
b>What do you do and what is most interesting a ... more
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Ten-Years Roving About On Mars
Opportunity landed on Mars on Jan. 24, 2004 PST (Jan. 25, 2004 UTC) on what was to be a three-month mission, but instead the rover has lived beyond its prime mission and roved the planet for nearly ... more
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