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Cassini sees three moons in one flyby
BY STEPHEN CLARK
SPACEFLIGHT NOW

Posted: August 17, 2010


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The Cassini orbiter has returned more vivid imagery from Saturn after collecting snapshots of three moons during a flyby Friday.

The spacecraft was aiming for a point 1,555 miles over the south pole of Enceladus, an icy moon harboring geysers spewing water vapor dozens of miles into space.

The watery plumes originate from fissures called tiger stripes in the icy crust of Enceladus, and Cassini's objective Friday was to take the temperature of the features with an infrared spectrometer.

But Cassini's narrow and wide angle cameras also captured views of Enceladus and two other moons named Tethys and Dione.

The pictures add to Cassini's growing collection of imagery taken since the probe arrived in orbit around Saturn in 2004.


Geysers of water ice and vapor from Enceladus are illuminated by the sun in this picture taken Friday. Photo credit: NASA/JPL/Space Science Institute

 

Enceladus eclipses the bright atmosphere of Saturn.
Photo credit: NASA/JPL/Space Science Institute

 

A fissure named Damascus Sulcus is the subject of this picture from Cassini from a distance of 1,661 miles. This tiger stripe feature was also scanned by Cassini's infrared spectrometer to create a temperature map.
Photo credit: NASA/JPL/Space Science Institute

 

The limb of Enceladus was imaged by Cassini as it flew about 7,500 miles away.
Photo credit: NASA/JPL/Space Science Institute

 

The Penelope crater on Saturn's moon Tethys dominates this image taken by Cassini on Saturday. The crater measures about 90 miles wide.
Photo credit: NASA/JPL/Space Science Institute

 

Cassini took this picture of Dione on Friday. Dione has a diameter of about 700 miles. Photo credit: NASA/JPL/Space Science Institute