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Scientists Discover New Radiation Belt at Saturn



 
 
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Old September 15th 09, 08:39 PM posted to sci.space.news
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Default Scientists Discover New Radiation Belt at Saturn

http://www.jpl.nasa.gov/news/features.cfm?feature=2312

Scientists Discover New Radiation Belt at Saturn
Jet Propulsion Laboratory
September 14, 2009

Scientists using the Cassini spacecraft's Magnetospheric Imaging
instrument have detected a new, temporary radiation belt at Saturn,
located around the orbit of its moon Dione at about 377,000 kilometers
(234,000 miles) from the center of the planet.

The new belt, which has been named "the Dione belt," was detected by
the
instrument for only a few weeks on three separate occasions in 2005.
Scientists believe that newly formed charged particles in the Dione
belt
were gradually absorbed by Dione itself and another nearby moon, named
Tethys, which lies slightly closer to Saturn at an orbit of 295,000
kilometers (183,304 miles).

The discovery was presented at the European Planetary Science Congress
in Potsdam, Germany on September 14.

For more information about NASA's Cassini mission please visit:
http://saturn.jpl.nasa.gov

 




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