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Columnist: Dr. James Green
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May 2011
Science Mission Directorate Update
Letter C against green background  Science Mission Directorate Update
25 May 2011
Dr. Green presents some highlights from the planetary science community.
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About: Dr. James Green
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Dr. Green is the Director of Planetary Science at NASA Headquarters. He views his job as the keeper of NASA's planetary program and the top advocate for that program to flourish and grow.
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Last Updated: 18 Apr 2013