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Scientists Debate How to Bring Red Planet Rocks to Earth


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Mars Ascent Vehicle

Artist's illustration of a sample-carrying robotic Mars Ascent Vehicle rocketing off the Red Planet under the watchful eye of an accompanying mini-rover.

Credit: NASA/JPL-Caltech

With NASA's sample-caching 2020 Mars rover mission just around the corner, the best strategy for hauling Red Planet rock and dirt to Earth is a now a topic of considerable discussion and debate.

From Space.com
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