[NetBehaviour] Eerie Sounds of Saturn's Radio Emissions

Stefan Immelmann-Winter sim.winter at soy.de
Fri Jul 29 22:17:21 CEST 2005


>These structures indicate that there are numerous small radio sources moving along magnetic field lines threading the auroral region.
That sounds strange... what could these small radio sources be?
Great link... :) 

  ----- Original Message ----- 
  From: marc 
  To: NetBehaviour for networked distributed creativity 
  Sent: Friday, July 29, 2005 6:28 PM
  Subject: [NetBehaviour] Eerie Sounds of Saturn's Radio Emissions


  Eerie Sounds of Saturn's Radio Emissions

  Saturn is a source of intense radio emissions, which have been monitored by the Cassini spacecraft. The radio waves are closely related to the auroras near the poles of the planet. These auroras are similar to Earth's northern and southern lights. This is an audio file of radio emissions from Saturn.

  The Cassini spacecraft began detecting these radio emissions in April 2002, when Cassini was 374 million kilometers (234 million miles) from the planet, using the Cassini radio and plasma wave science instrument. The radio and plasma wave instrument has now provided the first high resolution observations of these emissions, showing an amazing array of variations in frequency and time. The complex radio spectrum with rising and falling tones, is very similar to Earth's auroral radio emissions. These structures indicate that there are numerous small radio sources moving along magnetic field lines threading the auroral region. 

  more...
  http://www.nasa.gov/mission_pages/cassini/multimedia/pia07966.htmlv 


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