Conference Session
The Revolution in Planetary Science: New Worlds, New Discoveries

Presented by James Green


Abstract: Over the last few decades, NASA has sent instrumented robotic probes to all of the planets in the Solar System, the moons of Jupiter and Saturn, asteroids, and comets.  We have discovered beautiful, strange, mysterious and puzzling worlds. In the last several years alone, our understanding of the origin and evolution of our solar system has changed dramatically. Literally our foundations of knowledge have been reestablished! Even the simplest of concepts are now being questioned. For example, Pluto has been demoted from being a planet to a dwarf planet. In this brief overview I will take you on a new journey through our Solar System and through the eyes of our planetary spacecraft show you new worlds and new discoveries.

Jon Bergstrom

Biography: Jim received his Ph.D. in Space Physics from the University of Iowa in 1979 and began working in the Magnetospheric Physics Branch at NASA's Marshall Space Flight Center (MSFC) in 1980. At Marshall, Jim developed and managed the Space Physics Analysis Network that provided scientists all over the world with rapid access to data, to other scientists, and to specific NASA computer and information resources. In addition, Jim was a Safety Diver in the Neutral Buoyancy tank making over 150 dives until left MSFC in 1985. 

From 1985 to 1992 he was the head of the National Space Science Data Center (NSSDC) at Goddard Space Flight Center (GSFC). The NSSDC is NASA's largest space science data archive. In 1992, he became the Chief of the Space Science Data Operations Office until 2005, when he became the Chief of the Science Proposal Support Office.  While at GSFC, Jim was a co-investigator and the Deputy Project Scientist on the Imager for Magnetopause-to-Aurora Global Exploration (IMAGE) mission. He has written over 100 scientific articles in refereed journals involving various aspects of the Earth's and Jupiter's magnetospheres and over 50 technical articles on various aspects of data systems and networks. In August 2006, Jim became the Director of the Planetary Science at NASA Headquarters. Over his career, Jim has received numerous awards. In 1988, he received the Arthur S. Flemming award given for outstanding individual performance in the federal government and was awarded Japan's Kotani Prize in 1996 in recognition of his international science data management activities

Contact: Jim can be reached by e-mail at for additional information about this conference session.

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