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September
Columnist: Dr. James  Green
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September 2010
Planetary Science: New Worlds, New Discoveries
Letter C against green background  Planetary Science: New Worlds, New Discoveries
September 2010
On September 10, 2010, at the Newseum in Washington D.C., NASA hosted a fabulous event commemorating the 25th Anniversary of the Nation's first comet encounter.
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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