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Letter From The Project Manager

After a six year journey from Earth, the Galileo Probe and Orbiter arrived at Jupiter on December 7, 1995. The Galileo Probe returned the first ever direct measurements of an outer planet's atmosphere, and the Orbiter continues to tour the Jupiter System.

After the successful completion of Galileo's two year main mission, we are now completing its extended phase -- the Galileo Europa Mission (GEM). GEM has allowed us to spend two more years investigating Jupiter, focusing on its icy moon Europa, its atmosphere's dramatic thunderstorms, and soon the fiery volcanoes of its moon Io.

Many years of effort have now resulted in information which is adding to our understanding of the Jupiter system and our solar system. Since Galileo's tour of the Jupiter system began, we have learned a great deal about the atmosphere, satellites, and magnetosphere of our solar system's largest planet, and we expect to learn much, much more over time.

We hope you enjoy this opportunity to learn about the planet Jupiter and Project Galileo, and that you will continue to join us on our orbiting voyage through the Jovian system.

Jim Erickson
Galileo Discovers
A summary about the wonderful things Galileo has discovered.

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Did You Know?
The temperature at Jupiter's core is 55,000 degrees Farenheit.
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  Last updated 10/01/01.

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