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This enhanced-color mosaic of Saturn's icy moon Tethys shows a range of features on the moon's trailing hemisphere. 

This global map from NASA's Dawn mission shows the topography of the giant asteroid Vesta, with the seven most prominent impact basins highlighted.

The Cassini spacecraft takes in a southern view of the scarred face of icy Tethys.

This Magellan image mosaic shows one of the largest impact craters known to exist on Venus.

This Viking 1 image is one of first images of a sunset as seen from the surface of Mars.

Titan Mosaic: December 2004 December 16, 2004 Full-Res: PIA06159 This mosaic of images taken at 28 footprints shows the regional covera...

ORIGINAL CAPTION: Workers begin unloading the Cassini orbiter from a U.S. Air Force C-17 air cargo plane after its arrival at KSC’s Shuttle Landing Facility from Edwards Air Force Base, California.

This series of images taken by the OSIRIS-REx spacecraft shows asteroid Bennu in one full rotation from about  50 miles (80 km).

This radar image of Titan's well-known dunes is distinctive because it may show an age relationship between different classes of features on the surface of this frigid world. Taken by Cassini's ...

Images from NASA's Cassini spacecraft using three different filters reveal cloud structures and movements at different depths in the atmosphere around Jupiter's south pole.

This view from NASA's Dawn spacecraft features a lobe-shaped flow feature in Ghanan Crater on Ceres. The flow feature is a place where a crater rim has collapse and material has flowed across the s...

Janus peeks out from beneath the ringplane, partially lit here by reflected light from Saturn. A couple of craters can be seen on the moon's surface. To the right, two faint clumps of material can ...

Phoebe Temperature Maps June 23, 2004 Full-Res: PIA06403 A montage of maps of Saturn's moon Phoebe shows surface temperatures at ...

This view, like PIA08303, shows Prometheus with a streamer it has created in the inner edge of the F ring.

NASA's Cassini spacecraft's close swing by Saturn's spongy-looking moon Hyperion is providing breathtaking views of the tumbling moon. Raw images from the Sept. 26 flyby are now available.

This view, taken on June 17, 2016 from NASA's Dawn spacecraft, shows the rim of Ernutet Crater (32 miles, 52 kilometers in diameter) on Ceres.

Seen here inside one half of its 62.7-foot tall fairing, the Parker Solar Probe was encapsulated on July 16, 2018, in preparation for the move from Astrotech Space Operations in Titusville, Florida...

This portrait looking down on Saturn and its rings was created from images obtained by NASA's Cassini spacecraft on Oct. 10, 2013.

Saturn looms large before the Cassini spacecraft, its blustery cloud bands in restless motion. This view looks toward Saturn's mid-northern latitudes from about 37 degrees above the ringplane. Rin...

Mosaic view of Odysseus crater on Saturn's moon Tethys.

This mosaic from the Descent Imager/Spectral Radiometer camera on the European Space Agency's Huygens probe combines 17 image triplets, projected from an altitude of 800 meters (2,625 feet). The ar...

Our galaxy, the Milky Way, is seen above the Doll House in this National Park Service photo from Canyonlands National Park.

In late 2016, the Cassini spacecraft will begin a completely new type of mission at Saturn.

Cassini's prying infrared vision allows details of Saturn's storm-ridden hydrogen atmosphere to be revealed as never before. North of the dark south polar region is what may be a "polygonal wave" ...

Saturn's fourth largest moon, Dione, appears like a solitary ornament suspended above the rings in this Cassini spacecraft view. Lit terrain seen here is on the leading hemisphere of Dione (1,123 ...