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Before Hazy Titan
Saturn's moon Dione passes in front of the larger moon Titan, as seen from Cassini.
This image is part of a mutual event sequence in which one moon passes close to or in front of another. Such observations help scientists refine their understanding of the orbits of Saturn's moons. See PIA11692 to watch a movie of a mutual event.
Lit terrain seen here is on the anti-Saturn side of Dione (1123 kilometers, 698 miles across) and the leading hemisphere of Titan (5150 kilometers, 3200 miles across).
The image was taken in visible blue light with the Cassini spacecraft narrow-angle camera on March 12, 2010. The view was obtained at a distance of approximately 2.2 million kilometers (1.4 million miles) from Dione and 3.6 million kilometers (2.2 million miles) from Titan. Scale in the original image was 13 kilometers (8 miles) per pixel on Dione and on 21 kilometers (13 miles) per pixel Titan. The image has been magnified by a factor of 1.5 and contrast-enhanced to aid visibility.
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: April 12, 2010 (PIA 12609)
Image/Caption Information |
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PIA 12609
Avg Rating: 9.19/10
Full Size 941x941:
JPEG 19 KB
PNG 32 KB
TIFF 79 KB
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Alliance Member Comments
Impressive thanks to the NAC and its tricks; it looks as if Dione was stacked just above Titan.
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