Solar System Exploration
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December 16, 2004
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This updated mosaic of the southern hemisphere of Saturn’s moon Enceladus has been constructed from the many high-resolution images (less than 1 kilometer per pixel, or 0.6 mile per pixel) acquired...
The Southern Hemisphere of Enceladus
Many of the elegant structures in Saturn's rings result from the influence of the planet's moons. Seen here at center is the Cassini Division, flanked at top and bottom by the outer B-ring edge and...
A bright narrow ring dominates this view of the Cassini Division separating Saturn's A and B rings. The brightest ringlet in this image has been spotted by Cassini before, and is known to be eccen...
Points of Interest
Diversity on Titan October 28, 2004 Full-Res: PIA06988 This radar image of the surface of Saturn's moon Titan was acquired on October 26,...
Diversity on Titan
This is the most accurate natural color image of Charon taken by NASA's New Horizons spacecraft in 2015.
True Colors of Charon
The colorful globe of Saturn's largest moon, Titan, passes in front of the planet and its rings in this true color snapshot from NASA's Cassini spacecraft. The north polar hood can be seen on Tita...
Titan Up Front
Nitrogen dioxide pollution, averaged yearly from 2005-2011, has decreased across the United States.
Breathing Cleaner in the U.S.
Kinky, discontinuous ringlets occupy the Encke Gap in Saturn's A ring in the middle of this Cassini spacecraft image. During the planet's August 2009 equinox, parts of these thin ringlets cast sha...
Encke Gap Ringlet
This image of Ceres is part of a sequence taken by NASA's Dawn spacecraft on May 1, 2015, from a distance of 8,400 miles (13,600 kilometers).
Dawn RC3 Image 16
This map of a portion of the surface of Saturn's moon Titan shows predictions for the areas that will be covered by selected combinations of images anticipated from the camera on the Huygens probe ...
Expected Footprints of 36-Image Panoramas from Huygens Camera
Saturn and Dione regard Enceladus -- the object their gravitational tug-of-war. Dione (1,126 kilometers, or 700 miles across) is seen next to Saturn here. Enceladus (505 kilometers, or 314 miles ac...
The Sun rises over Mars' Utopia Planitia in this Viking 2 image.
Sunrise on Mars (Viking 2)
The Cassini spacecraft investigates the craters and deep valleys on Dione during a close approach in April 2007. Significant variations in the density of impact craters on the surface of Dione can...
The Crater Gradient
Bright spokes grace Saturn's B ring in this Cassini image. To learn more about the ghostly radial markings called spokes, see 'Tis the Season for Spokes and The Spoke Search. Spokes appear bright ...
A closer view of the Cassini image of the Huygens Probe after its successful release. The full image is available here. Cassini snapped this image of the probe about 12 hours after its release fro...
Huygens Probe Release Zoom
A rippled linear dune of dark Martian sand, "Nathan Bridges Dune," dominates this full-circle panorama from the Mast Camera (Mastcam) of NASA's Curiosity Mars rover.
'Nathan Bridges Dune' on a Martian Mountain
This image, taken by NASA's Dawn spacecraft, shows the surface of dwarf planet Ceres from an altitude of 915 miles (1,470 kilometers). The image was taken on August 22, 2015, and has a resolution o...
Dawn HAMO Image 27
+ Unannotated Version NASA’s Cassini spacecraft obtained this image of a feature shaped like a hot cross bun in the northern region of Titan (left) that bears a striking resemblance to a similar...
Titan's Hot Cross Bun -- Annotated
Galileo and Cassini Image Two Giant Plumes on Io March 29, 2001 Two tall volcanic plumes and the rings of red material they have deposited onto surrounding surface areas appear in images...
Plume of Io
On 13 Sep 2015, the Solar and Heliospheric Observatory—a joint project of the European Space Agency and NASA—discovered its 3,000th comet, cementing its standing as the greatest comet finder of all...
SOHO: The Comet Hunter
Temperature changes mapped with Cassini's composite and infrared spectrometer throughout Saturn's main rings show the ring temperatures decreasing with the increase of the Sun-spacecraft-ring angle...
Slower Spinning Rings #2
This image of asteroid Vesta from NASA's Dawn spacecraft shows many curved ridges that are typical of Vesta's southern hemisphere. This image is located in Vesta's Sextilia quadrangle, in Vesta's s...
Curved Surface Features
NASA's Dawn spacecraft obtained this view of Azacca Crater on Ceres. The rim of this crater has terraces descending from its rim down to its floor. The crater's floor is relatively free of large im...
Dawn LAMO Image 38
Rhea joins other Saturnian moons in casting a shadow on the rings in this image taken as the planet approached its August 2009 equinox. From the middle left to upper right of the image, the moon's...
Rhea's Ring Shadow
The Cassini spacecraft gazes upward at the face of giant Saturn, seeing beyond the equator to where ring shadows fall across the bluish northern latitudes. This extreme southern view looks northwa...
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