Image:Saturn Kelvin Helmholtz.jpg

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Description

A Kelvin-Helmholtz instability on Saturn, caused by the interaction between two bands of the planet's atmosphere. Image from the Cassini probe. Caption from NASA's press release: This turbulent boundary between two latitudinal bands in Saturn's atmosphere curls repeatedly along its edge in this Cassini image. This pattern is an example of a Kelvin-Helmholtz instability, which occurs when two fluids of different density flow past each other at different speeds. This type of phenomenon should be fairly common on the gas giant planets given their alternating jets and the different temperatures in their belts and zones. The image was taken with the Cassini spacecraft narrow angle camera on October 9, 2004, at a distance of 5.9 million kilometers (3.7 million miles) from Saturn through a filter sensitive to wavelengths of infrared light centered at 889 nanometers. The image scale is 69 kilometers (43 miles) per pixel.

Source

http://photojournal.jpl.nasa.gov/catalog/PIA06502

Date

2004-10-09

Author

NASA

Permission
(Reusing this image)

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This image or video was catalogued by Jet Propulsion Lab of the United States National Aeronautics and Space Administration (NASA) under Photo ID: PIA06502.
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Public domain
This file is in the public domain because it was created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (NASA copyright policy page or JPL Image Use Policy).

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current23:04, 14 February 2006550×315 (12 KB)Jaranda ({{PD-USGov-NASA}})
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