[NetBehaviour] Eerie Sounds of Saturn's Radio Emissions

marc marc.garrett at furtherfield.org
Fri Jul 29 18:28:56 CEST 2005

*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.

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