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NASA's Cassini - One Year in Pictures

Cassini Photo Contest banner depicting the Cassini spacecraft taking images
Published: June 29, 2005

To celebrate the first anniversary of Cassini's arrival at Saturn, you were invited to vote on a selection of the most popular images so far. The most popular image was announced in mid-July, 2005.

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+ View Related Feature Story + View Labeled image Scientists with NASA's Cassini mission have spotted two features shaped like the 1980s video game icon "Pac-Man" on moons of Saturn. One was ...
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Mimas and Tethys
A Pair of 'Pac-Men' (unlabeled)
On July 11, 2005, the Cassini ultraviolet imaging spectrograph observed the star Bellatrix as it passed behind Enceladus, as seen from the spacecraft. The starlight was observed to dim when it got ...
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On July 11, 2005, the Cassini ultraviolet imaging spectrograph observed the star Bellatrix as it passed behind Enceladus, as seen from the spacecraft.
Enceladus Atmosphere Not Global
The minimum concentration of ozone above Antarctica from 1979 to 2013.
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Animation of ozone concentration above Antarctica
Repairing the Ozone Hole
This set of enhanced-color maps made from data obtained by NASA's Cassini spacecraft show Saturn's moons Mimas, Enceladus, Tethys, Dione and Rhea. The global maps show the colorful splotches and ba...
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This set of enhanced-color maps made from data obtained by NASA's Cassini spacecraft show Saturn's moons Mimas, Enceladus, Tethys, Dione and Rhea.
Enhanced-Color Maps of Saturn Inner Moons
+ View Non-Annotated Version Heat radiating from the entire length of 150 kilometer (95 mile)-long fractures is seen in this best-yet heat map of the active south polar region of Saturn's ice mo...
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Annotated heat map of the active south polar region of Enceladus
Jet Spots in Tiger Stripes (Annotated)
During its closest flyby of Saturn's moon Titan on April 16, the Cassini spacecraft came within 1,025 kilometers (637 miles) of the moon's surface and found that the outer layer of the thick, hazy ...
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Graph of hydrocarbons on Titan's atmosphere
Titan's Upper Atmosphere: A
This graphic shows Cassini's final descent toward Saturn beginning with a distant encounter with Titan. 
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Final week milestones
Milestones in Cassini's Final Week
Tycho Crater is one of the most prominent craters on the Moon.
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Moon with crater labeled in lower, left quadrant.
Tycho Crater on the Moon (Labeled)
This picture illustrates the Huygens probe descent profile, beginning with the initial encounter with the Titan atmosphere and subsequent deceleration. As the probe slows, a small parachute is rele...
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Huygens Descent
Huygens Descent
Artist’s version of a star chart, complete with arrows to help locate Saturn. Credit: NASA/JPL
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Star chart with Saturn
Sky Chart
Dawn's futuristic, hyper-efficient ion propulsion system allows Dawn to go into orbit around two different solar system bodies, a first for any spacecraft.
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Infographic with diagram of ion propulsion system
Anatomy of an Ion Engine
We always see the same side of the moon, because as the moon revolves around the Earth, the moon rotates so that the same side is always facing the Earth. But the moon still looks a little differen...
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Chart showing phases of the Moon.
Phases of the Moon
One of the glittering trails caused by small objects punching through Saturn's F ring is highlighted in this movie from NASA's Cassini spacecraft. These trails show how the F ring, the outermost of...
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One of the glittering trails caused by small objects punching through Saturn's F ring is highlighted in this movie from NASA's Cassini spacecraft.
Glittering Trail in Saturn's F Ring
This 2001 poster was created with the help of student artists in Los Angeles early in the Cassini mission. It depicts the mythological story of Saturn combined with images of space exploration.
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This poster depicts the mythological story of Saturn combined with images of space exploration.
Cassini: Unveiling the Myth
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Cosmic Messengers From Saturn
Saturn dust
The European Space Agency has set up a special gallery for the more than 350 raw images snapped by the Huygens probe as it descended to Titan on Jan. 14, 2005. Visit the gallery at: http://esamulti...
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Screenshot of ESA raw image gallery.
ESA Huygens Raw Image Gallery
MOPITT's monthly average of global concentrations of tropospheric carbon monoxide at an altitude of about 12,000 feet, in April 2000 (left) and April 2014.
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Map of global carbon monoxide concentrations
Mapping Carbon Monoxide
This movie shows a concatenation of images, hotly downloaded of the telescope today, April 22, 2013. While the frame rate is constant, the movie is time-lapse but by varying degrees. Credit: NAS...
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Hubble views auroras on Saturn
Saturn Auroras From Hubble
It was a busy decade for Cassini. Here is the breakdown.
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Graphic showing trivia about the Cassini Mission.
Cassini by the Numbers: 2014
This artist’s concept shows a possible scenario for the internal structure of Titan, as suggested by data from NASA’s Cassini spacecraft. Scientists have been trying to determine what is under Tita...
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This artist’s concept shows a possible scenario for the internal structure of Titan, as suggested by data from NASA’s Cassini spacecraft.
Inside Titan
This whimsical poster imagines a future where tourists on Mars will visit the historic landing sites of the today's space missions.
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Futuristic Mars tourism poster.
Explore Mars: Visions of the Future Poster
A family portrait showing (from left to right) Pioneers 6-9, 10 and 11 and the Pioneer Venus Orbiter and Multiprobe series.
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Illustration of four spacecraft
Pioneer Family Portrait
This image shows the surprise that startled Cassini scientists on the composite infrared spectrometer team when they got their first look at the infrared (heat) radiation from the south pole of Sat...
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Enceladus Temperature Map
Enceladus Temperature Map
This graphic represents a possible model for mechanisms that could generate the water vapor and tiny ice particles detected by Cassini over the southern polar terrain on Enceladus. This model shows...
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This graphic represents a possible model for mechanisms that could generate the water vapor and tiny ice particles detected by Cassini over the southern polar terrain on Enceladus. This model shows venting by plumes.
Modeling 'Warm' Ice on Enceladus
This diagram depicts conditions observed by NASA's Cassini spacecraft during a flyby in Dec. 2013, when Saturn's magnetosphere was highly compressed, exposing Titan to the full force of the solar w...
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This diagram depicts conditions observed by NASA's Cassini spacecraft during a flyby in Dec. 2013, when Saturn's magnetosphere was highly compressed
Titan Observed Naked in the Solar Wind (annotated)

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