Dione on a Diagonal
February 2nd, 2012
10:31 AM ET

Dione on a Diagonal

"Saturn and Dione appear askew in this Cassini spacecraft view, with the north poles rotated to the right, as if they were threaded along on the thin diagonal line of the planet's rings.

This view looks toward the anti-Saturn side of Dione (698 miles, or 1,123 kilometers across). North on Dione is up and rotated 20 degrees to the right. This view looks toward the northern, sunlit side of the rings from less than one degree above the ring plane.

The image was taken in visible green light with the Cassini spacecraft wide-angle camera on Dec. 12, 2011. The view was obtained at a distance of approximately 35,000 miles (57,000 kilometers) from Dione and at a Sun-Dione-spacecraft, or phase, angle of 41 degrees."

Source: NASA

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NASA orbiter gives glimpse of moon's far side
The GRAIL mission's Ebb spacecraft took this picture of the south pole of the far side of the moon.
February 2nd, 2012
10:09 AM ET

NASA orbiter gives glimpse of moon's far side

(CNN) - A NASA orbiter has beamed back its first images of the far side of the moon, including scenes of a massive crater caused by an ancient cosmic impact, the space agency announced Wednesday.

NASA released 30 seconds of video from one of the twin probes that arrived in lunar orbit on December 31 and January 1. The Ebb orbiter passed over the moon from its north to south poles, revealing a new view of the Mare Orientale, a 560-mile basin along the border between the near and far sides of the satellite.

Also visible was the smaller Drygalski crater near the lunar south pole, which has a star-shaped peak at its center from what NASA says was a comet or asteroid impact.
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