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The Bruce Murray Space Image Library

Prometheus and Pandora and the F ring

Filed under pretty pictures, Cassini, amateur image processing, Saturn's small moons, many worlds, Saturn's rings

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Prometheus and Pandora and the F ring Prometheus (left) and Pandora (right) are small, elongated moons that orbit inside and outside the F ring, respectively. Cassini was slightly less than half a million kilometers from Pandora when it took this photo of the pair on October 29, 2005. Prometheus is 148 by 68 kilometers in size, and Pandora is 110 by 62 kilometers. Note the small streamer of material that Prometheus has drawn out of the inner edge of the F ring during a recent collision.

NASA / JPL / SSI / Emily Lakdawalla

Copyright holder: Emily Lakdawalla

Creative Commons License
This work is licensed under a Creative Commons Attribution 3.0 Unported License.
Contact us to request publication permission from the copyright holder. Original image data dated on or about October 29, 2005

 

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Comments:

Adolf Schaller: 07/04/2014 04:59 CDT

"Note the small streamer of material that Prometheus has drawn out of the inner edge of the F ring during a recent collision." The phrase 'recent collision' may overstate the circumstance: Prometheus regularly intrudes into the inner perimeter of the F ring inducing particles to alter their orbital paths in such a way as to exhibit wave-like bunching. There is another example of this on the LEADING side of the moonlet, which is clearly evident in image enhancement. One must be careful to avoid suggestion of an impact by the terminology implied by 'recent collision'.

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