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In Formation
Saturn's moons Janus and Mimas coast in their silent orbits beyond the rings in this view from NASA's Cassini spacecraft. The ansa, or outer edge of the rings, is visible at left. Janus hangs above center, while Mimas shines at right. Owing to its irregular shape, Janus’ terminator – that line which separates day from night – is jagged, while Mimas’ smooth terminator attests to its round shape and larger size.
The image was taken in green light with Cassini's narrow-angle camera on Oct. 27, 2015.
The view was acquired at a distance of approximately 598,000 miles (963,000 kilometers) from Janus and at a Sun-Janus-spacecraft, or phase, angle of 86 degrees. Image scale at Janus is 3.6 miles (5.8 kilometers) per pixel. The distance to Mimas was 680,000 miles (1.1 million kilometers) for an image scale of 4.1 miles (6.6 kilometer) per pixel.
The Cassini Solstice 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 Solstice Mission visit http://ciclops.org, http://www.nasa.gov/cassini and http://saturn.jpl.nasa.gov.
Credit: NASA/JPL-Caltech/Space Science Institute
Released: May 9, 2016 (PIA 18369)
Image/Caption Information |
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PIA 18369
Avg Rating: 9.81/10
Full Size 984x882:
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Alliance Member Comments
nice side by side image of two very different satellites.
i sure hope the server issues are resolved. i was very disappointed when i clicked on the web address and was not able to connect.
I am sure i missed something fun.
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