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Layers in Upper Formation of Gale Crater Mound
Layers in Upper Formation of Gale Crater Mound
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Layers in Lower Formation of Gale Crater Mound
Layers in Lower Formation of Gale Crater Mound
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Perspective View of Layered Mound in Gale Crater, Mars (non labeled)
Perspective View of Layered Mound in Gale Crater, Mars
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Perspective View of Layered Mound in Gale Crater, Mars
Perspective View of Layered Mound in Gale Crater, Mars (Labeled)
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In the middle of this picture, the robotic arm is bent at nearly a 90-degree angle, with the instruments on the end of the arm reaching to the right. Behind the arm is the laboratory where it is being tested. One engineer is hidden behind a bank of computers, while another with a goatee stands watching in the back, beneath a yellow ceiling crane. Both engineers wear white lab coats. Metal lab equipment is scattered throughout the room.
Robotic Arm Testing Image #2
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In the middle of this image, the long robotic arm rises straight up toward the ceiling of the lab where it is being tested. The arm is white, and is flexible at several gray round 'joints.' Red wires dangle and are strung along various parts of the arm. At the end of the arm is a complicated set of instruments. In the background, a yellow crane for lifting equipment up to 2 tons (4,000 pounds) can slide along the ceiling to place heavy equipment anywhere in the room. A metal garage-like door and computer stations lie behind the area where the arm is extended.
Robotic Arm Testing Image #1
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Image of MAVEN spacecraft, annotated to identify instruments
MAVEN Instrument Panel
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Dune Symmetry Inside Martian Crater
Dune Symmetry Inside Martian Crater
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NASA's Phoenix Mars Lander, its backshell and its heatshield are visible within this enhanced-color image of the Phoenix landing site taken on Jan. 6, 2010 by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter.

With early spring at the Phoenix landing site comes progressive sublimation of carbon-dioxide frost that has blanketed the lander and surrounding terrain throughout the winter. During the long polar-winter night, atmospheric carbon dioxide freezes onto the surface, building up a layer of frost roughly 30 centimeters (about one foot) thick. In the spring this frost returns to atmosphere gas (sublimates) over the course of several months. This image, part of a seasonal frost monitoring sequence, shows some areas of bare ground are beginning to be exposed. However, extensive frost patches remain in the topographic lows, such as the troughs of the local polygonally patterned surface.
Phoenix Lander Amid Disappearing Spring Ice
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Phoenix Lander Amid Disappearing Spring Ice
Phoenix Lander Amid Disappearing Spring Ice
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Turbulent Lava Flow in Mars' Athabasca Valles
Turbulent Lava Flow in Mars' Athabasca Valles
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bright layered deposits on a plateau near Juventae Chasma in the Valles Marineris region of Mars
Bright Layered Deposits with Clues of Acidic Water
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Image of Jennifer Eigenbrode using a soil simulant
Scientist Jennifer Eigenbrode using a soil simulant for testing
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Picture of Goddard scientist Jennifer Eigenbrode performing a test.
Scientist Jennifer Eigenbrode injecting a chemical into a rock sample
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6th Year Anniversary Graphic
6th Year Anniversary Graphic
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Mars Exploration Technology
Mars Exploration Technology
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Rover-team members at NASA's Jet Propulsion Laboratory, Pasadena, Calif., check slight movements by a test rover during tests simulating the challenge of getting NASA's Mars Exploration Rover Spirit out of a sand trap on Mars. From left: Alfonso Herrera, Matt Van Kirk, Mike Seibert, Brenda Franklin.
Sandbox Testing to Prepare for Driving Spirit
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MRO orbiter
MRO orbiter
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An artist's concept portrays a NASA Mars Exploration Rover on the surface of Mars.
Artist's Concept of Rover on Mars
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Mars
Mars Image
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Gullies and Flow Features on Crater Wall
Gullies and Flow Features on Crater Wall
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Impact craters on Mars are kind of neat. Many of them look very different than impact craters seen on Earth's moon or Mercury. Fresh lunar and Mercurian craters have ejecta blankets that look a bit rough near the crater rims; around larger craters, long rays or chains of secondary craters radiate away from the crater rims. Some Martian craters are similar to these craters, but Mars also has a high proportion of craters with forms not found on the moon or Mercury: rampart craters.
Distal Rampart of Crater in Chryse Planitia
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Continuing our survey of non-crater dune fields brings us to this group of dunes in Aonia Terra. The daytime IR illustrates the warmth of the dune material compared to the surrounding materials.
Aonia Terra Dunes
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This is an unlabeled radargram from the Shallow Radar instrument on NASA's Mars Reconnaissance Orbiter, showing a cross-section of Mars' north polar cap, based on time lags of radio-wave echoes returning from different layers.
Radargram (unlabeled)
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