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Solar System Exploration
News & Events
2011
Columnist: Dr. James  Green
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2011
The Future of Planetary Science is in Your Hands
Letter C against green background  The Future of Planetary Science is in Your Hands
6 October 2011
This is the most challenging budgetary time of my entire 33 year career. At a time when discoveries in planetary science are occurring at an escalating pace, the budget profiles through the horizon are the inverse.
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Juno to Jupiter: On Its Way!
Letter C against green background  Juno to Jupiter: On Its Way!
31 August 2011
Juno, the second mission in NASA's New Frontiers Program, launched flawlessly on Friday, August 5th, on a journey to Jupiter. It will be the first spacecraft to orbit Jupiter from pole to pole and peer far underneath the clouds.
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Dawn Begins Year-Long Vesta Fiesta
Letter C against green background  Dawn Begins Year-Long Vesta Fiesta
18 July 2011
On July 15th, our Dawn spacecraft defined "Arriva!" in a new way when it went into orbit around Vesta - an enormous asteroid with an average diameter of about 330 miles.
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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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It's Done With Math
Letter C against green background  It's Done With Math
14 April 2011
How were we able to reposition Stardust NExT -- a spacecraft that had been in space for 12 years -- to intercept a rotating comet travelling 24700 mph in the other direction? The answer? "It's done with math!"
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Dreams Not Realized?
Letter C against green background  Dreams Not Realized?
14 February 2011
The President submits his budget to Congress on February 14th. This is a highly constrained budget for NASA taking into account the economic and political times.
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Stardust-NExT: A Comet
Letter C against green background  Stardust-NExT: A Comet "Before and After"
4 February 2011
Our planetary science missions continually surprise us by overturning what we think is true. We expect no less of the upcoming Stardust-NExT visit to comet Tempel 1.
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The REAL News In Planetary Science
Letter C against green background  The REAL News In Planetary Science
31 January 2011
Last Wednesday, I presented the status of planetary science activities to the Planetary Science Subcommittee (PSS). This meeting is open to the community, but few people were able to make it to the meeting since Washington, DC, had a horrendous snowstorm.
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The Solar System: A Family Affair
Letter C against green background  The Solar System: A Family Affair
1 January 2011
It's mind-blowing to realize that at one time the Earth and its siblings were nothing but cosmic dust. About 4.5 billion years ago, the sun was a mere protostar drawing in the gas and matter swirling around it.
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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