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Meridiani Planum
August 24, 2004
Credit
NASA/JPL/Arizona State University
ENLARGE
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Artist’s concept of Comet Siding Spring approaching Mars, shown with NASA’s orbiters preparing to make science observations of this unique encounter.
NASA's Mars Orbiters Maneuvers as Comet Siding Spring Approaching Mars
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Spider Web Pattern
This THEMIS image of rounded hills and ridges in Arcadia Planitia shows a very intriguing geomorphic feature that may be attributed to the presence of an icy-rock mixture of material. Smooth aprons...
Arcadia Planitia
Download a PDF of the Mars Odyssey Fact Sheet.
Odyssey Fact Sheet
This THEMIS visible image shows a close-up view of the ridged plains in Hesperia Planum. This region is the classic locality for martian surfaces that formed in the "middle ages" of martian history.
Hesperia Planum
On the southwest edge of the immense volcanic region of Tharsis, lava from its giant volcanoes flowed down to meet the old cratered landscape of Terra Sirenum.
Terra Sirenum
This computer-generated view based on multiple orbital observations shows Mars' Gale crater as if seen from an aircraft north of the crater.
Oblique view of Gale Crater from the North (Unannotated)
A new map of Mars' gravity made with three NASA spacecraft is the most detailed to date, providing a revealing glimpse into the hidden interior of the Red Planet. Satellites always orbit a planet's...
Mars Gravity Map
This crater, located in Chryse Planitia, is relatively unmodified, meaning it appears very much like it did when it first formed.
Lismore Crater
Marte Vallis, located in Amazonis Planitia, is broad and shallow. The streamlined islands at the top and bottom of the image illustrate this.
Marte Vallis in Amazonis Planitia
Phobos and Deimos, the moons of Mars, are seen in this image from NASA's 2001 Mars Odyssey orbiter. The distance to Deimos from Odyssey during the observation was about 12,222 miles (19,670 kilomet...
Mars Odyssey Observes Martian Moons
This series of images was taken in visible-wavelength light as the THEMIS camera on NASA's Mars Odyssey scanned across the Martian moon Phobos on Sept. 29, 2017. The apparent motion is due to progr...
Series of Images from THEMIS Scanning Phobos
This image from NASA's Mars Odyssey shows a crater from a double impact - two meteors hitting simultaneously. The two meteors would have started as a single object and, at some point prior to impac...
Doublet Crater
When the Mars Exploration Rover, Opportunity, landed on Meridiani Planum in January 2004, it quickly found what it had been sent from Earth to find: evidence of liquid water in the Martian past.
Meridiani Planum
This color-coded map indicates the depth to icy layers at a site in southern Mars. The dense, icy layer retains heat better than the looser soil above it, so where the icy layer is closer to the su...
Depth-to-Ice Map of a Southern Mars Site Near Melea Planum
This image from NASA's Mars Odyssey shows ice-rich clouds over the summit of Arsia Mons.
Ice-Rich Clouds - False Color
This unnamed channel is located in Xanthe Terra.
Channel in Xanthe Terra
Women working in science, technology, engineering and mathematics at NASA's Jet Propulsion Laboratory pose for a photo in mission control in honor of Women in Science Day.
Women in Science
Martian surface frost, made up largely of carbon dioxide, appears blueish-white in these images from the Thermal Emission Imaging System (THEMIS) camera aboard NASA’s 2001 Odyssey orbiter. THEMIS t...
Four Images of Morning Frost on Mars
This pair of maps indicates locations of confirmed sites of recurrent slope linea on Mars, with respect to elevation (upper map) and surface brightness, or albedo (lower map).
Maps of Recurrent Slope Linea Markings on Mars
These three views of the Martian moon Phobos were taken by NASA's 2001 Mars Odyssey orbiter using its infrared camera, THEMIS. Each color represents a different temperature range.
Odyssey's Three Views of Phobos
This mosaic image of Valles Marineris - colored to resemble the martian surface - comes from the Thermal Emission Imaging System (THEMIS), a visible-light and infrared-sensing camera on NASA's Mars...
The Grand Canyon of Mars-Valles Marineris
The dunes in this VIS image are located in Aonia Terra.
Dunes in Aonia Terra
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 Ex...
Phoenix Lander Amid Disappearing Spring Ice
A small impact crater on Mars named Gratteri, 4.3 miles (6.9 km) wide, lies at the center of large dark streaks.
Mars Impact Crater Gratteri
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