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The Spring 2011 issue of The Earth Scientist is focused on modernizing seismology education. Thanks to IRIS, you can download this issue for free as a pdf. Print copies are available in our online store.
This pair of pictures was taken by the Galileo spacecraft. It shows a dynamic eruption at Tvashtar Catena, a chain of volcanic bowls on Jupiter's moon Io. You can see that the location of lava from November 1999 to November 2000 has changed. Galileo really is a special spacecraft in that it allows us to see cool things like volcanoes on other worlds!
Click on image for full size
Courtesy of NASA/JPL

Galileo - Still Earning Frequent Flyer Miles!
News story originally written on May 22, 2001

The Galileo spacecraft has been in space more than 10 years! It has been orbiting Jupiter for more than five years. And Galileo is still going strong!

The Galileo mission was suppose to end years ago. But Galileo has done so well, that NASA is extending Galileo's mission one last time!

Here's are some of the cool things Galileo has found:

  • liquid, saltwater oceans underneath the icy surfaces of Europa, Ganymede and Callisto
  • where Jupiter's Rings came from
  • the first asteroid to have a moon

    For now, Galileo will keep flying around Jupiter and Jupiter's moons. Then, in August 2003, Galileo will head straight for Jupiter. It will plunge into the atmosphere and burn up!

    Last modified May 17, 2001 by Jennifer Bergman.

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