Perhaps it's related to the plasma phenomenon of dicotron instability? http://www.nasa.gov/mission_pages/cassini/whycassini/cassini20110420.html http://www.nas

Perhaps it's related to the plasma phenomenon of dicotron instability? http://www.nasa.gov/mission_pages/cassini/whycassini/cassini20110420.html http://www.nasa.gov/mission_pages/cassini/whycassini/cassini... http://www.plasma-universe.com/Diocotron_instability http://www.plasma-universe.com/Diocotron_instability http://en.wikipedia.org/wiki/Diocotron_instability http://en.wikipedia.org/wiki/Diocotron_instability