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Rhea

Rhea
Published: December 17, 2004

At 1,528 kilometers (950 miles) in diameter, Rhea is the second largest
satellite of Saturn. Only Titan is larger. Bright wispy streaks cover one
hemisphere of Rhea.

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This false-color mosaic of Saturn's largest moon Titan, obtained by Cassini's visual and infrared mapping spectrometer, shows what scientists interpret as an icy volcano (see inset). The mosaic was...
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A false-color mosaic of Saturn's largest moon Titan
Titan Volcano
Small water ice particles fly from fissures in the south polar region of Saturn's moon Enceladus in this image taken during the Aug. 13, 2010, flyby of the moon by NASA's Cassini spacecraft. This ...
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Small water ice particles fly from fissures in the south polar region of Enceladus
Looming Enceladus
Dawn HAMO Image 47
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Dawn HAMO Image 47
Dawn HAMO Image 47
Dawn HAMO Image 41
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Dawn HAMO Image 41
Dawn HAMO Image 41
A Part of Vesta's Shadowed Northern Hemisphere
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A Part of Vesta's Shadowed Northern Hemisphere
A Part of Vesta's Shadowed Northern Hemisphere
This global map of Saturn's moon Dione was created using images taken during flybys by NASA's Cassini spacecraft. An extensive system of bright ice cliffs created by tectonic fractures adorns the ...
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Polar map of Dione
Dione Polar Maps - December 2011
Colorful Saturn tilts its darkened ringplane toward Cassini. Against the dark sky, the rings are made visible by the light that scatters through them toward the camera. The F ring shepherd moon Pa...
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Saturn and its majestic rings
At a Tilt
Swathed in its thick blanket of atmosphere, frigid Titan approaches the brilliant limb of Saturn. This view was obtained just minutes after the wide-angle view, Titan Slips Away . Images taken u...
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Titan approaching Saturn
Titan Approaches Saturn
The shadow of the moon Mimas is seen through the unlit side of the Cassini Division of Saturn's rings. As Saturn approaches its August 2009 equinox, the planet's moons cast shadows onto the rings....
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Mimas' shadow and Saturn's rings
Shadow in the Cassini Division
Dawn HAMO Image 35
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Dawn HAMO Image 35
Dawn HAMO Image 35
+ View Full Res This image was taken by NASA's Cassini spacecraft on April 15, 2012. The camera was pointing toward Tethys at approximately 115,714 miles (186,224 kilometers) away. This image has...
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Tethys
Tethys Portrait (Raw Image)
At first glance, Saturn's rings appear to be intersecting themselves in an impossible way. In actuality, this view from NASA's Cassini spacecraft shows the rings in front of the planet, upon which ...
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At first glance, Saturn's rings appear to be intersecting themselves in an impossible way. In actuality, this view from NASA's Cassini spacecraft shows the rings in front of the planet, upon which the shadow of the rings is cast.
Criss-Crossed Rings
Saturn's moons Prometheus and Pandora are captured here in a single image taken from less than a degree above the dark side of Saturn's rings. Pandora is on the right, and Prometheus is on the lef...
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Prometheus and Pandora are captured here in a single image taken from less than a degree above the dark side of Saturn's rings.
F Ring Shepherds
The Cassini spacecraft captures three moons at once as they hurtle around Saturn. In the background, Saturn's night side covers the more distant portion of the rings, betraying the presence of the ...
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Dark Saturn, its rings, and the moons Epimetheus, Mimas and Pandora
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Occator Crater's Eastern Rim
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Occator Crater's Eastern Rim
Occator Crater's Eastern Rim
The Cassini spacecraft carried the European Space Agency's Huygens probe to Saturn and released it in December 2004. The probe landed on Titan Jan. 14, 2005, acquiring a set of images using the de...
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Side by side images. Left: composite of the imaging camera and the infrared data. On the right is the synthetic aperature radar image.
Pinpointing Huygens Landing Site
This map is part of a group release of cylindrical and polar stereographic projections of Jupiter. For the other maps see PIA07783 and PIA07784.(Related thumbnail images available here.) These ...
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Map of Jupiter
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NASA's Dawn spacecraft has revealed many landslides on Ceres, which researchers interpret to have been shaped by a significant amount of water ice.
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NASA's Dawn spacecraft has revealed many landslides on Ceres, which researchers interpret to have been shaped by a significant amount of water ice.
Landslides on Ceres
The moon Tethys cruises past, in front of Saturn's edge-on rings. The rings cast threadlike shadows onto the northern hemisphere of the planet. The large crater Odysseus can be seen on the eastern...
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Tethys and Saturn's rings
Tethys Walks the Line
Impact craters are rare on Titan. Until recently only seven had been identified definitely on Titan, so it was exciting when Cassini’s Titan Radar Mapper imaged an eighth impact crater on June 21, ...
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Cassini's Titan Radar Mapper imaged an eighth impact crater on June 21, 2011.
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This is a montage of New Horizons images of Jupiter and its volcanic moon Io, taken during the spacecraft’s Jupiter flyby in early 2007.
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A montage of images of Jupiter and its volcanic moon Io
Jupiter and Io
Revealing Shadows 6
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Revealing Shadows 6
Revealing Shadows 6
An infrared composite image of the two hemispheres of Uranus obtained with Keck Telescope adaptive optics.
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An infrared composite image of the two hemispheres of Uranus obtained with Keck Telescope adaptive optics.
Keck Telescope Views of Uranus
The Cassini spacecraft and Huygens probe begin their seven-year journey to the ringed planet. The successful launch of Cassini aboard a Titan IVB/Centaur occured at 4:43 a.m. EDT, October 15, 1997....
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Through the Clouds
Through the Clouds
The Cassini spacecraft finds oddly-shaped Atlas gliding along the edge of the A ring. The moon has a prominent equatorial bulge, which is accentuated here by the grazing viewing angle of Cassini, m...
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Atlas along the edge of the A ring
Watching Atlas's Waistline

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