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Making Adjustments

Four men working on a spacecraft.
Source: NASA
Published: September 13, 1997

Engineers work on Cassini in the Payload Hazardous Servicing Facility at NASA's Kennedy Space Center.

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This view from NASA's Dawn spacecraft shows a scene from the northern hemisphere of Ceres, north of Occator Crater, which is home of the brightest area on the dwarf planet.
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Dawn LAMO Image 69
Dawn LAMO Image 69
A close-up view of an astronaut's bootprint in the lunar soil, photographed with a 70mm lunar surface camera during the Apollo 11 extravehicular activity (EVA) on the moon.
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Photograph of close-up of astronaut footprint in lunar soil
Close-up View of Astronaut's Footprint in Lunar Soil
This image. taken on June 12, 2016, from NASA's Dawn spacecraft shows dimly lit, cratered terrain on Ceres. Bright streaks of material are visible on one section of the crater wall (at bottom), and...
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Dawn LAMO Image 203
Dawn LAMO Image 203
This image, taken on June 18, 2015 by NASA's Dawn spacecraft, shows dwarf planet Ceres from an altitude of 2,700 miles (4,400 kilometers) -- a mountain 3 miles (5 kilometers) high, surrounded by re...
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Dawn Survey Orbit Image 18
Dawn Survey Orbit Image 18
This image of Titan, taken by a Voyager spacecraft, shows Titan to be completely shrouded by a thick atmosphere. The atmosphere is about 95% nitrogen, the remainder methane as well as other hydroca...
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Titan
Titan
Sample of student work from K-4
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Sample of student work from K-4
Sample of student work from K-4
Prometheus has just passed -- and gravitationally disturbed -- some of the fine particulate material in the F ring, creating the sheared gap visible in the inner strands of the ring. Prometheus is ...
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This image shows fine particulate material in the F ring that are gravitationally disturbed by the passage of Prometheus, visible in the center.
Passing Lane
This image, taken by NASA's Dawn spacecraft, shows a portion of the northern hemisphere of dwarf planet Ceres from an altitude of 915 miles (1,470 kilometers). The image was taken on Sept. 21, 2015...
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Dawn HAMO Image 44
Dawn HAMO Image 44
NASA's Dawn spacecraft obtained this image of a young and old crater at the night and day boundary on asteroid Vesta. The image has a resolution of about 260 meters per pixel.
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Young and Old Crater at the Night and Day Boundary on Vesta
Young and Old Crater at the Night and Day Boundary on Vesta
This global digital map of Titan was created using data taken by the Cassini spacecraft Imaging Science Subsystem (ISS). The data here consist of images taken using a filter centered at 938 nanomet...
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Map of Titan with labels
Map of Titan with Labels- December 2006
Tethys hangs before the Cassini spacecraft, its great crater Odysseus in view. See The Great Basin for a close-up view of Odysseus. This view looks toward the anti-Saturn hemisphere of Tethys (1...
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Tethys
Toward Tethys
This view obtained by NASA's Dawn spacecraft during its Survey orbit illustrates the diversity and complexity of Ceres' geology.
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Complex Relationships in the Occator-Kirnis Region
Complex Relationships in the Occator-Kirnis Region
This image, taken by NASA's Dawn spacecraft, shows a densely cratered region within Meanderi Crater on Ceres. Elongated craters in the wall of the largest impact feature are likely the result of ma...
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Dawn LAMO Image 25
Dawn LAMO Image 25
This image was taken during Cassini's extremely close encounter with Enceladus on Oct. 9, 2008. The image was taken with the Cassini spacecraft narrow-angle camera on Oct. 9, 2008, a distance of a...
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Enceladus
Enceladus Oct. 9, 2008 Flyby - Posted Image #4
This view from NASA's Dawn spacecraft shows part of the crater named Sekhet on Ceres. Prominent shadows within the crater highlight Sekhet's central peak and mounds of material that have slumped do...
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Dawn LAMO Image 36
Dawn LAMO Image 36
+ See contrast-enhanced version NASA’s Cassini spacecraft shows a new view of Saturn’s moon Enceladus in a whole-disk mosaic of the geologically active moon's leading, or western, hemisphere. Thi...
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NASA’s Cassini spacecraft shows a new view of Saturn’s moon Enceladus in a whole-disk mosaic of the geologically active moon's leading, or western, hemisphere.
Enceladus' Leading Hemisphere
A comparison image shows how Martian winds help clean the Opportunity rover's solar panels over three months in 2014. 
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Comparison shows cleaner solar panels over three months.
Windswept Opportunity Rover
This perspective, from just beneath Saturn's ringplane, gives the rings a pointed appearance and captures a few clumps at the edge of the narrow F ring. Tethys (1,071 kilometers, 665 miles across) ...
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Saturn's moon Tethys near the rings
The Rings Make a Point
This image, taken by NASA's Dawn spacecraft, shows the southeastern rim of Occator Crater. Compacted material forms spurs along the crater wall. A group of roughly parallel, braided fractures can b...
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Dawn LAMO Image 51
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Global images of Earth from Galileo. In each frame, the continent of Antarctica is visible at the bottom of the globe. South America may be seen in the first frame (top left), the great Pacific Oce...
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Global images of Earth from Galileo.
Global Images of Earth
In a rare moment, the Cassini spacecraft captured this enduring portrait of a near-alignment of four of Saturn's restless moons. Timing is critical when trying to capture a view of multiple bodies,...
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Near-alignment of four of Saturn's moons: Titan, Dione, Prometheus and Telesto near a portion of the rings
When Moons Align
Atmosphere Detail in Infrared September 3, 2004 Full-Res: PIA06469 This detail shows swirls and shoals in Saturn's cloud bands near t...
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Atmosphere Detail in Infrared
Atmosphere Detail in Infrared
Ceres' Haulani Crater is shown in these views from NASA's Dawn spacecraft. These views reveal variations in the region's brightness, mineralogy and temperature at infrared wavelengths.
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Ceres Neutron Counts Reflect Hydrogen Abundance
Ceres Neutron Counts Reflect Hydrogen Abundance
A propeller-shaped structure, created by an unseen moon, can be seen in Saturn's A ring. The propeller, which looks like a small, dark line interrupting the bright surrounding ring material, is in...
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A propeller-shaped structure in Saturn's A ring.
A-ring Propeller
The Cassini spacecraft awaits placement of its payload fairing at Launch Pad 40 at Cape Canaveral Air Station (CCAS) to protect Cassini during launch. 
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Close up of spacecraft in launch facility.
Weeks Before Launch

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