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. Read Column
About: Dr. James Green
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.
