Skip Navigation

Resources

Eris and Dysnomia (Artist Concept)

An artist's concept of the dwarf planet Eris and its moon Dysnomia.
Photojournal: PIA17307
Source: NASA/JPL-Caltech
Published: April 11, 2011

An artist's concept of the dwarf planet Eris and its moon Dysnomia. The sun is the small star in the distance.

ENLARGE

Related

Moon under Saturn July 14, 2004 Full-Res: PIA05416 Saturn's captivating cloud bands display a number of interesting features in th...
More
Moon under Saturn
Moon under Saturn
Saturn's moon Tethys casts a wide shadow over the planet's F and A rings. Tethys itself is not visible in this image. As Saturn approaches its August 2009 equinox, the planet's moons cast shadows ...
More
Tethys' shadow over Saturn's rings
Tethys' Shadow
Cassini stares toward the night side of Saturn, seen here on the right, as the active icy moon Enceladus glides past. The moon's now famous icy plumes spew out of the south polar region (see Foun...
More
Night side of Saturn and Enceladus
Dark Side of Saturn's Moon
Eight years ago today, ESA’s Huygens bounced, slid and wobbled its way to rest on the surface of Saturn’s moon Titan, the first time a probe had touched down on an alien world in the outer Solar Sy...
More
Animation of Huygens landing
The Huygens Experience
The Cassini spacecraft acquired this view of Rhea's leading hemisphere near "opposition," or with the Sun almost directly behind the camera. Under this geometry, topography appears less rugged be...
More
Rhea
Where Have All the Shadows Gone?
Saturn's small moon Pan casts a long shadow across the A ring in this image captured by the Cassini spacecraft a few days after the planet's August 2009 equinox. Pan (28 kilometers, or 17 miles ac...
More
Pan casts a long shadow across the A ring
Pan's Shadow
The Cassini spacecraft captures three magnificent sights at once: Saturn's north polar vortex and hexagon along with its expansive rings.
More
Saturn
Vortex and Rings
This image of the infrared heat radiation from Saturn's moon Iapetus was obtained by the Cassini composite infrared spectrometer instrument 16 hours before Cassini's closest approach to this myster...
More
Image shows Iapetus in visible light, thermal radiation and color-coded heat.
Iapetus Thermal Radiation Image
                  Cassini Enters Saturn's Orbit July 1, 2004     After becoming the first spacecraft to enter Saturn'...
More
Cassini Enters Saturn's Orbit
Cassini Enters Saturn's Orbit
This view of the ringed planet shows its tilt relative to the plane of its orbit around the Sun. The planet tilts nearly 27 degrees relative to the ecliptic plane, giving rise to seasons in which t...
More
This view of Saturn shows its tilt relative to the plane of its orbit
Viewing Saturn from the Plane
Soft light from Saturn lifts the veil of night from the moons Dione (lower left) and Rhea (upper right). A scant crescent on each satellite marks the limit of the Sun's direct reach. The remaining...
More
Dione (lower left) and Rhea (upper right)
Glow of Night
The Cassini spacecraft peers through the fine, smoke-sized ice particles of Saturn's F ring toward the cratered face of Mimas. The F ring's core, which contains significantly larger particles, is d...
More
Saturn's F ring and Mimas
A Wisp of Smoke
This image of Ceres is part of a sequence taken by NASA's Dawn spacecraft April 24 to 26, 2015, from a distance of 8,500 miles (13,500 kilometers).
More
Dawn RC3 Image 2
Dawn RC3 Image 2
Bright light reflects off the wispy terrain of Saturn's moon Rhea in this image which looks down on the high northern latitudes of the icy moon. Lit terrain seen here is on the trailing hemisphere...
More
Saturn's moon Rhea
Shine On Crazy Wisps
Floating high above the hydrocarbon lakes, wispy clouds have finally started to return to Titan's northern latitudes. 
More
Black and white images of clouds seen on Titan from space.
Send in the Clouds
+ View Movie (28 MB QuickTime, no audio) As the solar wind flows from the sun, it creates a bubble in space known as the “heliosphere” around our solar system. The heliosphere is the region of spa...
More
Computer generated view of the shape of our solar system moving through the interstellar medium.
The Bubble of Our Solar System
This Cassini narrow-angle camera image -- one of those acquired in the survey conducted by the Cassini imaging science team of the geyser basin at the south pole of Enceladus -- was taken as Cassin...
More
This Cassini narrow-angle camera image -- one of those acquired in the survey conducted by the Cassini imaging science team of the geyser basin at the south pole of Enceladus -- was taken as Cassini was looking across the moon's south pole.
Encroaching Shadow
Tethys appears to be peeking out from behind Rhea, watching the watcher.
More
Tethys and Rhea
Tethys the Spy
NASA's Dawn spacecraft obtained this image showing cratered terrain with hills and ridges on Vesta's surface on August 6, 2011. This image was taken through the framing camera's clear filter aboard...
More
Cratered Terrain with Hills and Ridges
Cratered Terrain with Hills and Ridges
The brightly lit limb of a crescent Enceladus looks ethereal against the blackness of space. The rest of the moon, lit by light reflected from Saturn, presents a ghostly appearance.
More
Enceladus
Phantom Limb
This image, taken by NASA's Dawn spacecraft, shows the surface of dwarf planet Ceres at mid-latitudes from an altitude of 915 miles (1,470 kilometers). The image was taken on Sept. 21, 2015, and ha...
More
Dawn HAMO Image 45
Dawn HAMO Image 45
Streaking Away from Dione August 17, 2004 Full-Res: PIA05436 Saturn's crescent moon Dione hangs before the Cassini spacecraft in t...
More
Streaking Away from Dione
Streaking Away from Dione
This schematic graphic illustrates the bombardments that lead to colorful splotches and bands on the surfaces of several icy moons of Saturn. The arrow indicating the orbital motion of the moon is ...
More
This schematic graphic illustrates the bombardments that lead to colorful splotches and bands on the surfaces of several icy moons of Saturn.
Moons Under Bombardment
Just before the eastern sky brightens with sunrise, three planets and the waning crescent moon join the starry twilight tapestry. Then, as the bright stars of Gemini and Orion fade with oncoming da...
More
View of the planets: August 2006
August 2006: View of the Planets
The outer reaches of Saturn's Cassini Division merges with the inner A ring (at the right) in a region that is rich in structure. For context, other Cassini views of this region are available (see ...
More
a closeup of the rings
The Cassini Divisions Edge

You Might Also Like

In commemoration of NASA’s 50th anniversary of the lunar landing and in celebration of September’s National Literacy Month, McDonald’s and Peanuts partnered to create space-themed toys and STEM-focused books.
More
Peanuts Toys and Books Commemorate 50th Anniversary of Apollo
Peanuts Toys and Books Commemorate 50th Anniversary of Apollo
NASA is asking industry to respond to a Request for Proposals to deliver cargo, science experiments and supplies to the Gateway to support Artemis missions to the lunar surface.
More
NASA Asks American Companies to Deliver Supplies for Artemis Moon Missions
NASA Asks American Companies to Deliver Supplies for Artemis Moon Missions
Europa Clipper will explore Jupiter's icy moon in-depth during multiple flybys, studying whether Europa could harbor conditions suitable for life.
More
Europa Clipper's Mission to Jupiter's Icy Moon Confirmed
Europa Clipper's Mission to Jupiter's Icy Moon Confirmed
If our eyes could see high-energy radiation called gamma rays, the Moon would appear brighter than the Sun! That’s how NASA’s Fermi Gamma-ray Space Telescope has seen our neighbor in space for the past decade.
More
Moon Glows Brighter Than Sun in Images From NASA's Fermi
Moon Glows Brighter Than Sun in Images From NASA's Fermi
NASA has selected two proposals to demonstrate small satellite technologies to improve science observations in deep space, which could help NASA develop better models to predict space weather events that can affect astronauts and spacecraft.
More
NASA Selects Proposals to Demonstrate SmallSat Technologies to Study Interplanetary Space
NASA Selects Proposals to Demonstrate SmallSat Technologies to Study Interplanetary Space
The bit carousel, which lies at the heart of the rover's Sample Caching System, is now aboard NASA's newest rover.
More
Robotic Toolkit Added to NASA's Mars 2020 Rover
Robotic Toolkit Added to NASA's Mars 2020 Rover