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This image from NASA's Mars Reconnaissance Orbiter shows part of the floor of Rabe Crater, a large impact crater in the Southern highlands. Dark dunes cover part of crater's floor, and contrast with the surrounding bright-colored outcrops.
This image from NASA's Mars Reconnaissance Orbiter shows part of the floor of Rabe Crater, a large impact crater in the Southern highlands. Dark dunes cover part of crater's floor, and contrast with the surrounding bright-colored outcrops.

Thumbprint Texture on Dark Dunes in Rabe Crater

This April 16, 2015, panorama from the Mast Camera on NASA's Curiosity Mars rover shows a detailed view toward two areas, 'Mount Shields' and 'Logan Pass,' on lower Mount Sharp, chosen for close-up inspection in subsequent weeks.
This April 16, 2015, panorama from the Mast Camera on NASA's Curiosity Mars rover shows a detailed view toward two areas, 'Mount Shields' and 'Logan Pass,' on lower Mount Sharp, chosen for close-up inspection in subsequent weeks.

Looking Toward Curiosity Study Areas, Spring 2015

Researchers used the Pancam on NASA's Mars Exploration Rover Opportunity to capture this view of comet C/2013 A1 Siding Spring as it flew near Mars on Oct. 19, 2014.
Researchers used the Pancam on NASA's Mars Exploration Rover Opportunity to capture this view of comet C/2013 A1 Siding Spring as it flew near Mars on Oct. 19, 2014.

Mars Rover Opportunity's View of Passing Comet (Short Exposure)

This image captured by NASA's 2001 Mars Odyssey spacecraft shows part of the large dune field called Olympia Undae. There are hills in this region, and the dunes are concentrated in the lower elevations.
This image captured by NASA's 2001 Mars Odyssey spacecraft shows part of the large dune field called Olympia Undae. There are hills in this region, and the dunes are concentrated in the lower elevations.

More Polar Dunes

The hills in this image captured by NASA's 2001 Mars Odyssey spacecraft are part of Protonilus Mensae, located on the northern margin of Terra Sabaea.
The hills in this image captured by NASA's 2001 Mars Odyssey spacecraft are part of Protonilus Mensae, located on the northern margin of Terra Sabaea.

Protonilus Mensae

This view taken from orbit shows a cluster of small, steep-sided knobs called 'Murray Buttes,' in tribute to Bruce Murray (1931-2013), an influential advocate for planetary exploration.
This view taken from orbit shows a cluster of small, steep-sided knobs called 'Murray Buttes,' in tribute to Bruce Murray (1931-2013), an influential advocate for planetary exploration.

'Murray Buttes' at Foot of Mount Sharp on Mars

This channel-like feature is actually a large fracture that cuts through a small highlands as seen by NASA's 2001 Mars Odyssey spacecraft.
This channel-like feature is actually a large fracture that cuts through a small highlands as seen by NASA's 2001 Mars Odyssey spacecraft.

Filled Fracture

NASA's Mars Exploration Rover Opportunity recorded this 3D view of a rise called 'Nobbys Head' during a stop on a multi-week southward drive between two raised segments of the west rim of Endeavour Crater.
NASA's Mars Exploration Rover Opportunity recorded this 3D view of a rise called 'Nobbys Head' during a stop on a multi-week southward drive between two raised segments of the west rim of Endeavour Crater.

'Nobbys Head' on Opportunity's Southward Route (Stereo)

Backtracking a bit, this image from NASA's Mars Odyssey spacecraft shows the large channel in the upper left of the frame. Just below the brighter material of Mt. Sharp is the start of the arced edge of material we saw in yesterday's image (top right).
Backtracking a bit, this image from NASA's Mars Odyssey spacecraft shows the large channel in the upper left of the frame. Just below the brighter material of Mt. Sharp is the start of the arced edge of material we saw in yesterday's image (top right).

Images of Gale #26

This engineering drawing shows the location of the arm on NASA's Curiosity rover, in addition to the arm's turret, which holds two instruments and three tools. The arm places and holds turret-mounted tools on rock and soil targets.
This engineering drawing shows the location of the arm on NASA's Curiosity rover, in addition to the arm's turret, which holds two instruments and three tools. The arm places and holds turret-mounted tools on rock and soil targets.

Curiosity's Robotic Arm

The ejecta blanket created around impact craters is often much more resistant to erosion than surrounding surface materials. As seen by NASA's Mars Odyssey, the ejecta material creates isolated highs as surrounding surface is eroded near Meridiani Planum.
The ejecta blanket created around impact craters is often much more resistant to erosion than surrounding surface materials. As seen by NASA's Mars Odyssey, the ejecta material creates isolated highs as surrounding surface is eroded near Meridiani Planum.

Ejecta Erosion

This image captured by NASA's 2001 Mars Odyssey spacecraft show the tracks of dust devils on the rim of Stoney Crater.
This image captured by NASA's 2001 Mars Odyssey spacecraft show the tracks of dust devils on the rim of Stoney Crater.

Dust Devil Tracks

This image from the microscopic imager on NASA's Mars Exploration Rover Opportunity shows details of the coating on a rock called 'Chocolate Hills,' which the rover found and examined at the edge of a young crater called 'Concepción.'
This image from the microscopic imager on NASA's Mars Exploration Rover Opportunity shows details of the coating on a rock called 'Chocolate Hills,' which the rover found and examined at the edge of a young crater called 'Concepción.'

Coating on Rock Beside a Young Martian Crater

The small, dark features are sand dunes in this image by NASA's 2001 Mars Odyssey spacecraft. The majority of the dunes appear to be located within eroded deposits on the floor of Pastuer Crater.
The small, dark features are sand dunes in this image by NASA's 2001 Mars Odyssey spacecraft. The majority of the dunes appear to be located within eroded deposits on the floor of Pastuer Crater.

Pastuer Crater

This image from NASA's Mars Reconnaissance Orbiter shows an approximately 7-meter diameter fresh crater and dark ejecta blanket. These small impact craters continue to form on Mars, and are most easily recognized in areas covered by bright dust.
This image from NASA's Mars Reconnaissance Orbiter shows an approximately 7-meter diameter fresh crater and dark ejecta blanket. These small impact craters continue to form on Mars, and are most easily recognized in areas covered by bright dust.

New Impact Crater

The THEMIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create a false color image. This image captured by NASA's 2001 Mars Odyssey spacecraft shows part of the floor of Galle Crater.
The THEMIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create a false color image. This image captured by NASA's 2001 Mars Odyssey spacecraft shows part of the floor of Galle Crater.

Galle Crater - False Color

The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create a false color image. This false color image from NASA's 2001 Mars Odyssey spacecraft shows part of an unnamed crater in Tyrrhena Terra.
The THEMIS VIS camera contains 5 filters. The data from different filters can be combined in multiple ways to create a false color image. This false color image from NASA's 2001 Mars Odyssey spacecraft shows part of an unnamed crater in Tyrrhena Terra.

Tyrrhena Terra - False Color

These images were taken of comet C/2013 A1 Siding Spring by NASA's Mars Reconnaissance Orbiter on Oct. 19, 2014, during the comet's close flyby of Mars and the spacecraft.
These images were taken of comet C/2013 A1 Siding Spring by NASA's Mars Reconnaissance Orbiter on Oct. 19, 2014, during the comet's close flyby of Mars and the spacecraft.

First Resolved Image of a Long-Period Comet's Nucleus

This image, taken by NASA's Mars Reconnaissance Orbiter, shows a mesa within the 'Murray Buttes' area on Mars showing a complex fracture pattern (black arrow) protruding from the eroding rock.
This image, taken by NASA's Mars Reconnaissance Orbiter, shows a mesa within the 'Murray Buttes' area on Mars showing a complex fracture pattern (black arrow) protruding from the eroding rock.

'Murray Buttes' Mesa

This image captured by NASA's 2001 Mars Odyssey spacecraft is of the northern plains and shows hundreds of dust devil tracks.
This image captured by NASA's 2001 Mars Odyssey spacecraft is of the northern plains and shows hundreds of dust devil tracks.

Dust Devil Tracks

Multiple channels dissect the northwestern flank of Hecates Tholus in this image as seen by NASA's 2001 Mars Odyssey spacecraft.
Multiple channels dissect the northwestern flank of Hecates Tholus in this image as seen by NASA's 2001 Mars Odyssey spacecraft.

Hecates Tholus

The Dynamic Albedo of Neutrons (DAN) instrument on NASA's Mars rover Curiosity took measurement on a rock outcrop (Spot 39) and on loose soil (Spot 40) within the 'Yellowknife Bay' area of Mars' Gale Crater.
The Dynamic Albedo of Neutrons (DAN) instrument on NASA's Mars rover Curiosity took measurement on a rock outcrop (Spot 39) and on loose soil (Spot 40) within the 'Yellowknife Bay' area of Mars' Gale Crater.

Variation in Subsurface Water In 'Yellowknife Bay'

This image captured by NASA's 2001 Mars Odyssey spacecraft shows some the sand dunes on the floor of Danielson Crater.
This image captured by NASA's 2001 Mars Odyssey spacecraft shows some the sand dunes on the floor of Danielson Crater.

Danielson Crater Dunes

'Butterfly' ejecta is the name given when a crater has two lobes of ejecta on opposite sides, with little or no ejecta between the lobes. This image is from NASA's 2001 Mars Odyssey spacecraft.
'Butterfly' ejecta is the name given when a crater has two lobes of ejecta on opposite sides, with little or no ejecta between the lobes. This image is from NASA's 2001 Mars Odyssey spacecraft.

Butterfly Ejecta

The small channels seen in this image from NASA's 2001 Mars Odyssey spacecraft are lava channels just southeastern of Pavonis Mons.
The small channels seen in this image from NASA's 2001 Mars Odyssey spacecraft are lava channels just southeastern of Pavonis Mons.

Pavonis Mons

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