Dec 7, 2012 (Talk of the Nation) — It has been an exciting week for planetary scientists, ranging from the discovery of water ice on Mercury to the announcement of a new Mars rover mission in 2020. Jim Green, director of NASA's planetary science division, and scientist Matthew Siegler discuss the latest news.
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Curiosity 2.0? NASA Announces New Mars Rover Plans
Dec 7, 2012 (Talk of the Nation) — It has been an exciting week for planetary scientists, ranging from the discovery of water ice on Mercury to the announcement of a new Mars rover mission in 2020. Jim Green, director of NASA's planetary science division, and scientist Matthew Siegler discuss the latest news.Missing some content? Check the source: NPR
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