File:Saturn sound.ogg
Saturn_sound.ogg (Ogg Vorbis sound file, length 12 s, 39 kbps, file size: 57 KB)
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Summary edit
DescriptionSaturn sound.ogg |
English: 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 Saturn's radio emissions. An animation with a cursor moving through the color spectrogram in sync with the audio file is available at: http://www-pw.physics.uiowa.edu/cassini/.
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 instrument has now provided the first high resolution observations of these emissions, showing that show an amazing array of variations in frequency and time. In this example, it appears as though the three rising tones are launched from the more slowly varying narrowband emission near the bottom of this display. If this is the case, it represents a very complicated interaction between waves in Saturn's radio source region, but one which has also been observed at Earth. Time on this recording has been compressed such that 13 seconds corresponds to 27 seconds. Since the frequencies of these emissions are well above the audio frequency range, we have shifted them downward by a factor of 260. The Cassini-Huygens mission is a cooperative project of NASA, the European Space Agency and the Italian Space Agency. The Jet Propulsion Laboratory, a division of the California Institute of Technology in Pasadena, manages the mission for NASA's Science Mission Directorate, Washington, D.C. The Cassini orbiter was designed, developed and assembled at JPL. The radio and plasma wave science team is based at the University of Iowa, Iowa City. |
Date | (released) |
Source | https://photojournal.jpl.nasa.gov/catalog/PIA07967 (direct link) |
Author | NASA/JPL/University of Iowa |
This image or video was catalogued by Jet Propulsion Laboratory of the United States National Aeronautics and Space Administration (NASA) under Photo ID: PIA07967. This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing. Other languages:
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Licensing edit
Public domainPublic domainfalsefalse |
This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.) | ||
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 17:15, 27 February 2006 | 12 s (57 KB) | Traroth (talk | contribs) | Sound translation of radio emission coming from Saturn, and received by Cassini. Comes from http://saturn.jpl.nasa.gov/multimedia/images/image-details.cfm?imageID=1614 |
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Transcode status
Update transcode statusFormat | Bitrate | Download | Status | Encode time |
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MP3 | 69 kbps | Completed 11:06, 23 December 2017 | 1.0 s |
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Software used | Xiph.Org libVorbis I 20040629 |
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