File:Gueiser fred.jpg

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Gueiser_fred.jpg (800 × 600 pixels, file size: 58 KB, MIME type: image/jpeg)

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  • Source: NASA Planetary Photojournal PIA07799 * Original Caption Released with Image: As Saturn's active moon Enceladus continues to spew icy particles into space, scientists struggle to understand the mechanics of what is going on beneath the fractured south polar terrain. This graphic illustrates key aspects of the model proposed by the Cassini imaging science team in a paper published in the journal Science on March 10, 2006. The model shows how proposed underground reservoirs of pressurized liquid water above 273 degrees Kelvin (0 degrees Celsius) could fuel geysers that send jets of icy material into the skies above the moon's south pole. In the graphic, the vent to the surface pierces one of the "tiger stripe" fractures seen in Cassini views of the southern polar terrain (see PIA06247 for a look at the tiger stripes). Temperatures increase with depth. Some combination of internal radioactive decay and flexing -- perhaps concentrated within the tiger stripe fractures and brought about by the particular characteristics of Enceladus' orbit--is implicated as the source of the heat creating the liquid reservoirs. However, it is not yet clear how the deep interior of Enceladus functions, nor whether the moon is fully differentiated (separated into layers, with rock at the center and ice outside).
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This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Catalan version. The original can be viewed here: Enceladus "Cold Geyser" Model PIA07799.jpg: . Modifications made by ''jagons''.


Public domain 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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  • File:Enceladus_"Cold_Geyser"_Model_PIA07799.jpg licensed with PD-USGov-NASA
    • 2006-03-11T17:29:08Z Stanlekub 960x720 (67601 Bytes) * '''Source:''' [http://photojournal.jpl.nasa.gov/catalog/PIA07799 NASA Planetary Photojournal PIA07799] * '''Original Caption Released with Image:''' As Saturn's active moon Enceladus continues to spew icy particles into s

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current21:08, 4 March 2011Thumbnail for version as of 21:08, 4 March 2011800 × 600 (58 KB)Jagons (talk | contribs){{Information |Description=* '''Source:''' [http://photojournal.jpl.nasa.gov/catalog/PIA07799 NASA Planetary Photojournal PIA07799] * '''Original Caption Released with Image:''' As Saturn's active moon Enceladus continues to spew icy particles into spac

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