File:Prometheus's effect on the F Ring.jpg

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Summary

DescriptionPrometheus's effect on the F Ring.jpg	Prometheus causing kinks in Saturn's F Ring. Full caption released with image: As it completed its first orbit of Saturn, Cassini zoomed in on the rings to catch this wondrous view of the en:shepherd moon Prometheus (102 kilometers, or 63 miles across) working its influence on the multi-stranded and kinked F ring. The F ring resolves into five separate strands in this closeup view. Potato-shaped Prometheus is seen here, connected to the ringlets by a faint strand of material. Imaging scientists are not sure exactly how Prometheus is interacting with the F ring here, but they have speculated that the moon might be gravitationally pulling material away from the ring. The ringlets are disturbed in several other places. In some, discontinuities or "kinks" in the ringlets are seen; in others, gaps in the diffuse inner strands are seen. All these features appear to be due to the influence of Prometheus. The image was taken in visible light with the narrow angle camera on October 29, 2004, at a distance of about 782,000 kilometers (486,000 miles) from Prometheus and at a Sun-Prometheus-spacecraft, or phase, angle of 147 degrees. The image scale is 4.7 kilometers (2.9 miles) per pixel. The image has been magnified by a factor of two, and contrast was enhanced, to aid visibility.
Date	29 October 2004
Source	NASA Photojournal
Author	Cassini Spacecraft
Permission (Reusing this file)	PD-LAYOUT; PD-USGOV-NASA.

This image or video was catalogued by Jet Propulsion Laboratory of the United States National Aeronautics and Space Administration (NASA) under Photo ID: PIA06143.

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Licensing

	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.)
	Warnings: Use of NASA logos, insignia and emblems is restricted per U.S. law 14 CFR 1221. The NASA website hosts a large number of images from the Soviet/Russian space agency, and other non-American space agencies. These are not necessarily in the public domain. Materials based on Hubble Space Telescope data may be copyrighted if they are not explicitly produced by the STScI.[1] See also {{PD-Hubble}} and {{Cc-Hubble}}. The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2] Images featured on the Astronomy Picture of the Day (APOD) web site may be copyrighted. [3] The National Space Science Data Center (NSSDC) site has been known to host copyrighted content. Its photo gallery FAQ states that all of the images in the photo gallery are in the public domain "Unless otherwise noted."

File history

Click on a date/time to view the file as it appeared at that time.

	Date/Time	Dimensions	User	Comment
current	21:03, 14 July 2010	644 × 279 (9 KB)	LobStoR	similarly cropped, but at full resolution
	18:55, 14 July 2010	67 × 29 (553 bytes)	Greece11	target on Prometheus
	09:27, 13 December 2007	1,056 × 1,224 (49 KB)	Ahonc	From http://photojournal.jpl.nasa.gov/jpeg/PIA06143.jpg
	11:39, 3 October 2007	928 × 1,076 (37 KB)	Ahonc	{{Information \|Description={{En\|As it completed its first orbit of Saturn, Cassini zoomed in on the rings to catch this wondrous view of the shepherd moon Prometheus (102 kilometers, or 63 miles across) working its influence on the multi-stranded and kink