Two Moons Passing in the Night
The Saturn moons Mimas and Pandora remind us of how different they are when
they appear together, as in this image taken by NASA's Cassini spacecraft.
Pandora's small size means that it lacks sufficient gravity to pull itself into
a round shape like its larger sibling, Mimas. Researchers believe that the
elongated shape of Pandora (50 miles, or 81 kilometers across) may hold clues to
how it and other moons near Saturn's rings formed.
This view looks toward the anti-Saturn hemisphere of Mimas (246 miles, or 396
kilometers across). North on Mimas is up and rotated 28 degrees to the right.
The image was taken in blue light with Cassini's narrow-angle camera on May 14,
2013. The view was acquired at a distance of approximately 690,000 miles (1.1
million kilometers) from Mimas. Image scale is 4 miles (7 kilometers) per pixel.
Pandora was at a distance of 731,000 miles (1.2 million kilometers) when this
image was taken. Image scale on Pandora is 4 miles (7 kilometers) per pixel.
The Cassini-Huygens mission is a cooperative project of NASA, the European
Space Agency and the Italian Space Agency. 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 and its two onboard cameras were designed, developed and assembled at
JPL. The imaging operations center is based at the Space Science Institute in
Boulder, Colo.
Image Credit: NASA/JPL-Caltech/Space Science
Institute
Guillermo Gonzalo Sánchez Achutegui
ayabaca@gmail.com
ayabaca@hotmail.com
ayabaca@yahoo.com
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