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The pitted appearance of the south polar cap ice in this image from NASA's Mars Odyssey is similar to the appearance of a slice of swiss cheese.
The pitted appearance of the south polar cap ice in this image from NASA's Mars Odyssey is similar to the appearance of a slice of swiss cheese.

South Polar Surface

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

This image from an animiation of comet C/2013 A1 Siding Spring were taken by the Mast Camera (Mastcam) on NASA's Curiosity Mars rover as the comet passed near the red planet on Oct. 19, 2014.
This image from an animiation of comet C/2013 A1 Siding Spring were taken by the Mast Camera (Mastcam) on NASA's Curiosity Mars rover as the comet passed near the red planet on Oct. 19, 2014.

Mars Curiosity Rover Views Comet Siding Spring

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

Mass Wasting is the term given to the process of change on a surface due to gravity (things moving downhill due to the force of gravity). Dark streaks mark the slopes of craters and hills in this region of Amazonis Planitia.
Mass Wasting is the term given to the process of change on a surface due to gravity (things moving downhill due to the force of gravity). Dark streaks mark the slopes of craters and hills in this region of Amazonis Planitia.

Mass Wasting

This image from NASA's 2001 Mars Odyssey shows the mesas and mountain tops of Capri Chasma.
This image from NASA's 2001 Mars Odyssey shows the mesas and mountain tops of Capri Chasma.

Mesas of Capri Chasma

An unnamed channel dissects the surface of Terra Cimmeria as seen by NASA's 2001 Mars Odyssey spacecraft.
An unnamed channel dissects the surface of Terra Cimmeria as seen by NASA's 2001 Mars Odyssey spacecraft.

Channel

This vertical projection view is of a football-field-size crater, informally named 'Santa Maria,' as seen by NASA's Mars Exploration Rover Opportunity.
This vertical projection view is of a football-field-size crater, informally named 'Santa Maria,' as seen by NASA's Mars Exploration Rover Opportunity.

'Santa Maria' Crater in 360-Degree View, Sol 2451 (Vertical)

Opportunity's Surroundings After Sol 2363 Drive (Vertical)

Dark slope streaks mark this crater rim in this image taken by NASA's 2001 Mars Odyssey. The crater is located within the much larger Tikhonravov Crater in Arabia Terra.
Dark slope streaks mark this crater rim in this image taken by NASA's 2001 Mars Odyssey. The crater is located within the much larger Tikhonravov Crater in Arabia Terra.

Arabia Terra

This mosaic of images from the Navigation Camera (Navcam) on NASA's Mars rover Curiosity shows the scene from the rover's position on the 376th Martian day, or sol, of the mission (Aug. 27, 2013).
This mosaic of images from the Navigation Camera (Navcam) on NASA's Mars rover Curiosity shows the scene from the rover's position on the 376th Martian day, or sol, of the mission (Aug. 27, 2013).

View Ahead After Curiosity's Sol 376 Drive Using Autonomous Navigation

This image from an animation shows how repeated laser shots from the ChemCam instrument on NASA's Mars rover Curiosity cause a pit to form at the target point in Martian soil.
This image from an animation shows how repeated laser shots from the ChemCam instrument on NASA's Mars rover Curiosity cause a pit to form at the target point in Martian soil.

Pitting in Martian Soil During Repeated Laser Shots From Mars Rover

What appears to be a channel in this image captured by NASA's 2001 Mars Odyssey spacecraft is actually one of the fractures that make up Nili Fossae.
What appears to be a channel in this image captured by NASA's 2001 Mars Odyssey spacecraft is actually one of the fractures that make up Nili Fossae.

Nili Fossae

NASA's 2001 Mars Odyssey spacecraft took this image of Candor Chasma showing a complex region of eroded layered deposits.
NASA's 2001 Mars Odyssey spacecraft took this image of Candor Chasma showing a complex region of eroded layered deposits.

Candor Chasma

NASA's 2001 Mars Odyssey spacecraft captured numerous dark slope streaks in this small unnamed crater in Zephyria Planum.
NASA's 2001 Mars Odyssey spacecraft captured numerous dark slope streaks in this small unnamed crater in Zephyria Planum.

Dark Slope Streaks

This channelized area is near the source region of the huge outflow channel, Ares Vallis. It was at the distal end or 'long-ways down-river-area' where the Pathfinder/Sojourner mission landed on 4 July 1997.
This channelized area is near the source region of the huge outflow channel, Ares Vallis. It was at the distal end or 'long-ways down-river-area' where the Pathfinder/Sojourner mission landed on 4 July 1997.

A Plateau in Ares Vallis

Currently displaying images 1876-1900 of 3175
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