Cassini Observes Prometheus Anew
08 May 2007

 

Credit: NASA/JPL/Space Science Institute

NASA recently published a stunning image of Saturn's magnificent rings, acquired by the Saturn-bound Cassini spacecraft. The image shows the perturbing effects of Prometheus, the shepherd moon of the F ring.

In this image, Prometheus glides by two dark gores in the ring's inner edge. The moon's gravity severely distorts the shape of the ring.

Prometheus (102 km across) is partially-illuminated by sunlight reflected off Saturn.

Cassini was looking down on the dark side of the rings from about 54° above the ringplane.

The image was taken in visible light with Cassini's narrow-angle camera on 17 March 2007. Cassini was approximately 1.8 million km from Prometheus. Image scale is 11 km per pixel.

Further Reading

Cassini Encounters Prometheus

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Three Tiny Moons Align

http://www.bibalex.org/eclipse2006/News_Details.aspx?id=210

Aymen Mohamed Ibrahem

Senior Astronomy Specialist

   
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