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April 18, 1999
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Who Should Explore Space? [Preview]

Robots vs. Humans: A Debate

By Francis Slakey and Paul D. Spudis

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Robotic Exploration of the Solar System Five decades after the U.S.S.R.'s Luna 2 moon probe became the first spacecraft to land on another celestial body, we look at the past accomplishments and tantalizing future of unmanned space exploration » September 1, 2009

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