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File:Prometheus F ring from PIA08262 fr25 twice.ogv

Prometheus_F_ring_from_PIA08262_fr25_twice.ogv ‎(Ogg Theora video file, length 5.0 s, 440 × 440 pixels, 48 kbps, file size: 29 KB)


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Description
English: Prometheus orbit in F ring.

Prometheus zooms across the Cassini spacecraft's field of view, attended by faint streamers and deep gores in the F ring. This movie sequence of five images shows the F ring shepherd moon shaping the ring's inner edge.

Note that the faint ringlet coincident with the orbit of Prometheus (102 kilometers, or 63 miles across) decreases sharply in brightness behind the moon in its path. The normally twisted-looking F ring core is overexposed in the images, causing its appearance to be more uniform than it usually is.

The images were taken in visible light with the Cassini spacecraft narrow-angle camera on Aug. 11, 2006 at a distance of approximately 2.2 million kilometers (1.4 million miles) from Saturn and at a Sun-Saturn-spacecraft, or phase, angle of 162 degrees. Image scale is 13 kilometers (8 miles) per pixel.

The original GIF from NASA was converted to Theora OGV format using gifsicle, VirtualDub and ffmpeg2theora at 25 frames per second, shown twice and letterboxed to 440 pixels.
Date (Cassini spacecraft narrow-angle camera); 2006-09-08 (NASA upload)
Source http://saturn.jpl.nasa.gov/multimedia/videos/movies/PIA08262_full_movie.gif linked in http://saturn.jpl.nasa.gov/multimedia/videos/movies/
Author Cassini spacecraft narrow-angle camera; Credit: NASA/JPL/Space Science Institute
Other versions
  • Theora video format 1 frame per second (5 seconds 24 kbps 15 KB)
  • Theora video format 2 frames per second (2.5 seconds 48 kbps 15 KB)
  • Theora video format 25 frames per second shown twice (5 seconds 48 kbps 30 KB)
This image or video was catalogued by Jet Propulsion Laboratory of the United States National Aeronautics and Space Administration (NASA) under Photo ID: PIA08262.

This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing.
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Theora video format 25 frame per second, shown twice and letterboxed to 440 pixels wide: 5 seconds 48 kbps 30 KB

Licensing

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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11 August 2006

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current00:00, 20 October 20095.0 s, 440 × 440 (29 KB)84user{{Information |Description={{en|1=Prometheus orbit in F ring. See http://photojournal.jpl.nasa.gov/catalog/PIA08262 for details. The original GIF from NASA was converted to Theora OGV format using gifsicle, VirtualDub and ffmpeg2theora at 25 frames per

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