CICLOPS: Cassini Imaging Central Laboratory for OPerationS

Tiger Stripes...Magnified!
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Tiger Stripes...Magnified!
PIA 11135

Avg Rating: 7.52/10

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TIFF 29.2 MB

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Tiger Stripes...Magnified!
PIA 11135

Avg Rating: 8.91/10

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JPEG 849 KB
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  During two close flybys of Saturn's moon Enceladus in 2008, the cameras on NASA's Cassini acquired several very high-resolution images of specific regions of the south polar terrain. These images have been used to construct this detailed mosaic of the moon's famous tiger stripe fractures.

A special spacecraft maneuver dubbed "the skeet shoot" was employed to make smear-free imaging at close range possible. The ground track of the camera's pointing was selected to cut swaths across three tiger stripes, or sulci, the prominent rifts through which jets of water vapor and ice particles are actively jetting. The swaths during the two flybys were chosen to pass over specific locales on the surface. In total, six of the eight regions on or near the tiger stripes known to be warm sites of previously observed jet sources were imaged.

This clear filter mosaic includes all of the skeet-shoot images overlain on images acquired at lower resolution of regions near Damascus, Baghdad and Cairo Sulci. The annotated version identifies the locations of the six targeted jet source sites (solid yellow circles) as well as the footprints, or outlines, of Cassini's narrow-angle camera views of the surface during the skeet-shoot maneuvers on August 10 (green squares) and October 31 (orange squares). Although visible in other lower-resolution images, jet source site VIII (dashed yellow circle) was not targeted in the skeet shoot. Within the colored squares, image scales range from 9 meters (30 feet) to 39 meters (129 feet) per pixel.

The Cassini Equinox Mission is a joint United States and European endeavor. 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 imaging team consists of scientists from the US, England, France, and Germany. The imaging operations center and team lead (Dr. C. Porco) are based at the Space Science Institute in Boulder, Colo.

For more information about the Cassini Equinox Mission visit http://ciclops.org, http://www.nasa.gov/cassini and http://saturn.jpl.nasa.gov.

Credit: NASA/JPL/Space Science Institute
Released: December 15, 2008 (PIA 11135)
Image/Caption Information


Alliance Member Comments
Dragon_of_Luck_Mah_Jonng1971 (Dec 16, 2008 at 11:18 PM):
In the middle of this mosaic I'm seeing a feature at the southern edge of the 'sulcus' ( graben ) that may have moved a bit in the direction of the following 'ropy' terrain - I think that could be a portion of cryolava that is now frozen but that was at roughly 273-253 K when it erupted. I suppose it erupted at the moment when happened the initial opening of that graben or only a little bit later. Its shape ( probably ) is indicating that it is related to a short part of the graben only.

This mosaic is a very interesting one well done. I'm rating it '12' ( meaning even better than '10' ) because it includes a large number of interesting alien landforms.

Now I think that the surface of the Uranian moon Miranda is not a surface created by catastrophic events but by complicated icy tectonics.

Now I think Enc has got a mantle with convection.

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