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Uploaded on Aug 10, 2007
Galileo plasma wave observations at Jupiter's moon, Ganymede, June 27th 1996, using electrical dipole antenna. Approx 45 minutes compressed to 60 seconds. Colour indicates wave intensity (red- strong wave, blue- weak wave), Time indicated to the right, frequency vertically. Pitch reduced by a factor of 9 from the measured frequency. Entrance into Ganymede's Magnetosphere marked by a strong burst of noise 6-10 seconds into the recording. This discovery marked Ganymede as not only the largest moon in our solar system, but also the only one known with its own internally-generated magnetic field. Source- http://www.solarviews.com/cap/jup/pws... more info- http://science.nasa.gov/headlines/y20...