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Much of Mars' surface is covered by fine-grained materials that hide the bedrock, but in this scene from NASA's Mars Reconnaissance Orbiter, the bedrock is well exposed except where covered by sand dunes.
Much of Mars' surface is covered by fine-grained materials that hide the bedrock, but in this scene from NASA's Mars Reconnaissance Orbiter, the bedrock is well exposed except where covered by sand dunes.

Layers and Dark Dunes

Much of Mars' surface is covered by fine-grained materials that hide the bedrock, but in this scene from NASA's Mars Reconnaissance Orbiter, the bedrock is well exposed except where covered by sand dunes.

Target: Mars
Mission: Mars Reconnaissance Orbiter (MRO)
Spacecraft: Mars Reconnaissance Orbiter (MRO)
Instrument: High Resolution Imaging Science Experiment (HiRISE)
ID#: PIA21463
Added: 2017-02-23

Views: 209

Layers and Dark Dunes

Much of Mars' surface is covered by fine-grained materials that hide the bedrock, but in this scene from NASA's Mars Reconnaissance Orbiter, the bedrock is well exposed except where covered by sand dunes.

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NASA's Mars Reconnaissance Orbiter sees ice-rich mantling deposits accumulate from the atmosphere in the Martian mid-latitudes in cycles during periods of high obliquity.
NASA's Mars Reconnaissance Orbiter sees ice-rich mantling deposits accumulate from the atmosphere in the Martian mid-latitudes in cycles during periods of high obliquity.

Layered Mantling Deposits in the Northern Mid-Latitudes

NASA's Mars Reconnaissance Orbiter sees ice-rich mantling deposits accumulate from the atmosphere in the Martian mid-latitudes in cycles during periods of high obliquity.

Target: Mars
Mission: Mars Reconnaissance Orbiter (MRO)
Spacecraft: Mars Reconnaissance Orbiter (MRO)
Instrument: High Resolution Imaging Science Experiment (HiRISE)
ID#: PIA21462
Added: 2017-02-22

Views: 197

Layered Mantling Deposits in the Northern Mid-Latitudes

NASA's Mars Reconnaissance Orbiter sees ice-rich mantling deposits accumulate from the atmosphere in the Martian mid-latitudes in cycles during periods of high obliquity.

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Amazonis Planitia is a broad plain on Mars, covered with ancient lava. This image captured by NASA's Mars Reconnaissance Orbiter shows an interesting feature of an old lava flow.
Amazonis Planitia is a broad plain on Mars, covered with ancient lava. This image captured by NASA's Mars Reconnaissance Orbiter shows an interesting feature of an old lava flow.

Obstacles and Wakes in Lava

Amazonis Planitia is a broad plain on Mars, covered with ancient lava. This image captured by NASA's Mars Reconnaissance Orbiter shows an interesting feature of an old lava flow.

Target: Mars
Mission: Mars Reconnaissance Orbiter (MRO)
Spacecraft: Mars Reconnaissance Orbiter (MRO)
Instrument: High Resolution Imaging Science Experiment (HiRISE)
ID#: PIA21460
Added: 2017-02-21

Views: 91

Obstacles and Wakes in Lava

Amazonis Planitia is a broad plain on Mars, covered with ancient lava. This image captured by NASA's Mars Reconnaissance Orbiter shows an interesting feature of an old lava flow.

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This image from NASA's Mars Reconnaissance Orbiter shows a new impact site originally detected by the Context Camera onboard MRO. The crater is on a dusty slope, which also has several dark slope streaks due to dust avalanches.
This image from NASA's Mars Reconnaissance Orbiter shows a new impact site originally detected by the Context Camera onboard MRO. The crater is on a dusty slope, which also has several dark slope streaks due to dust avalanches.

A New Crater on a Dusty Slope

This image from NASA's Mars Reconnaissance Orbiter shows a new impact site originally detected by the Context Camera onboard MRO. The crater is on a dusty slope, which also has several dark slope streaks due to dust avalanches.

Target: Mars
Mission: Mars Reconnaissance Orbiter (MRO)
Spacecraft: Mars Reconnaissance Orbiter (MRO)
Instrument: High Resolution Imaging Science Experiment (HiRISE)
ID#: PIA21459
Added: 2017-02-20

Views: 130

A New Crater on a Dusty Slope

This image from NASA's Mars Reconnaissance Orbiter shows a new impact site originally detected by the Context Camera onboard MRO. The crater is on a dusty slope, which also has several dark slope streaks due to dust avalanches.

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NASA's Mars Reconnaissance Orbiter spied this large crescent dune in Kaiser Crater showing the scars of many types of seasonal erosional activities.
NASA's Mars Reconnaissance Orbiter spied this large crescent dune in Kaiser Crater showing the scars of many types of seasonal erosional activities.

Scars of Erosion

NASA's Mars Reconnaissance Orbiter spied this large crescent dune in Kaiser Crater showing the scars of many types of seasonal erosional activities.

Target: Mars
Mission: Mars Reconnaissance Orbiter (MRO)
Spacecraft: Mars Reconnaissance Orbiter (MRO)
Instrument: High Resolution Imaging Science Experiment (HiRISE)
ID#: PIA21458
Added: 2017-02-16

Views: 222

Scars of Erosion

NASA's Mars Reconnaissance Orbiter spied this large crescent dune in Kaiser Crater showing the scars of many types of seasonal erosional activities.

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This image captured by NASA's Mars Reconnaissance Orbiter shows a portion of one of many dust devils on Mars.
This image captured by NASA's Mars Reconnaissance Orbiter shows a portion of one of many dust devils on Mars.

A Dust Devil on Hilly Terrain

This image captured by NASA's Mars Reconnaissance Orbiter shows a portion of one of many dust devils on Mars.

Target: Mars
Mission: Mars Reconnaissance Orbiter (MRO)
Spacecraft: Mars Reconnaissance Orbiter (MRO)
Instrument: High Resolution Imaging Science Experiment (HiRISE)
ID#: PIA21457
Added: 2017-02-15

Views: 650

A Dust Devil on Hilly Terrain

This image captured by NASA's Mars Reconnaissance Orbiter shows a portion of one of many dust devils on Mars.

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This image captured by NASA's Mars Reconnaissance Orbiter covers a portion of a typical impact crater in Terra Sirenum. Some of the gully fans have a bluish color: these are probably quite recent deposits, less than a few tens of years old.
This image captured by NASA's Mars Reconnaissance Orbiter covers a portion of a typical impact crater in Terra Sirenum. Some of the gully fans have a bluish color: these are probably quite recent deposits, less than a few tens of years old.

Old Features and New

This image captured by NASA's Mars Reconnaissance Orbiter covers a portion of a typical impact crater in Terra Sirenum. Some of the gully fans have a bluish color: these are probably quite recent deposits, less than a few tens of years old.

Target: Mars
Mission: Mars Reconnaissance Orbiter (MRO)
Spacecraft: Mars Reconnaissance Orbiter (MRO)
Instrument: High Resolution Imaging Science Experiment (HiRISE)
ID#: PIA21456
Added: 2017-02-14

Views: 485

Old Features and New

This image captured by NASA's Mars Reconnaissance Orbiter covers a portion of a typical impact crater in Terra Sirenum. Some of the gully fans have a bluish color: these are probably quite recent deposits, less than a few tens of years old.

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This color composite from NASA's Mars Reconnaissance Orbiter covers a portion of the northern central peak of an unnamed, 20-kilometer crater that contains abundant fragmental bedrock called breccia.
This color composite from NASA's Mars Reconnaissance Orbiter covers a portion of the northern central peak of an unnamed, 20-kilometer crater that contains abundant fragmental bedrock called breccia.

Better Preserved on Mars than on Earth

This color composite from NASA's Mars Reconnaissance Orbiter covers a portion of the northern central peak of an unnamed, 20-kilometer crater that contains abundant fragmental bedrock called breccia.

Target: Mars
Mission: Mars Reconnaissance Orbiter (MRO)
Spacecraft: Mars Reconnaissance Orbiter (MRO)
Instrument: High Resolution Imaging Science Experiment (HiRISE)
ID#: PIA21455
Added: 2017-02-13

Views: 165

Better Preserved on Mars than on Earth

This color composite from NASA's Mars Reconnaissance Orbiter covers a portion of the northern central peak of an unnamed, 20-kilometer crater that contains abundant fragmental bedrock called breccia.

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The broader scene for this image from NASA's Mars Reconnaissance Orbiter is the fluidized ejecta from Bakhuysen Crater to the southwest. A 'dragonfly' impact crater i seen with a gouged-out trench extending to the south.
The broader scene for this image from NASA's Mars Reconnaissance Orbiter is the fluidized ejecta from Bakhuysen Crater to the southwest. A 'dragonfly' impact crater i seen with a gouged-out trench extending to the south.

A Dragonfly-Shaped Crater

The broader scene for this image from NASA's Mars Reconnaissance Orbiter is the fluidized ejecta from Bakhuysen Crater to the southwest. A 'dragonfly' impact crater i seen with a gouged-out trench extending to the south.

Target: Mars
Mission: Mars Reconnaissance Orbiter (MRO)
Spacecraft: Mars Reconnaissance Orbiter (MRO)
Instrument: High Resolution Imaging Science Experiment (HiRISE)
ID#: PIA21454
Added: 2017-02-10

Views: 268

A Dragonfly-Shaped Crater

The broader scene for this image from NASA's Mars Reconnaissance Orbiter is the fluidized ejecta from Bakhuysen Crater to the southwest. A 'dragonfly' impact crater i seen with a gouged-out trench extending to the south.

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NASA's Mars Reconnaissance Orbiter has witnessed many surface changes over the past ten years, including hundreds of new craters formed by ongoing impacts. This particular crater is east of NASA's Spirit rover's final resting spot in Gusev Crater.
NASA's Mars Reconnaissance Orbiter has witnessed many surface changes over the past ten years, including hundreds of new craters formed by ongoing impacts. This particular crater is east of NASA's Spirit rover's final resting spot in Gusev Crater.

Unlocking an Impact Crater's Clues

NASA's Mars Reconnaissance Orbiter has witnessed many surface changes over the past ten years, including hundreds of new craters formed by ongoing impacts. This particular crater is east of NASA's Spirit rover's final resting spot in Gusev Crater.

Target: Mars
Mission: Mars Reconnaissance Orbiter (MRO)
Spacecraft: Mars Reconnaissance Orbiter (MRO)
Instrument: High Resolution Imaging Science Experiment (HiRISE)
ID#: PIA21451
Added: 2017-02-09

Views: 886

Unlocking an Impact Crater's Clues

NASA's Mars Reconnaissance Orbiter has witnessed many surface changes over the past ten years, including hundreds of new craters formed by ongoing impacts. This particular crater is east of NASA's Spirit rover's final resting spot in Gusev Crater.

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This image from NASA's Mars Reconnaissance Orbiter reveals an impact crater, nine kilometers in diameter, with a central peak. Impact craters of various sizes and ages can be found across the Martian surface.
This image from NASA's Mars Reconnaissance Orbiter reveals an impact crater, nine kilometers in diameter, with a central peak. Impact craters of various sizes and ages can be found across the Martian surface.

A Nine Kilometer Impact Crater and Its Central Peak

This image from NASA's Mars Reconnaissance Orbiter reveals an impact crater, nine kilometers in diameter, with a central peak. Impact craters of various sizes and ages can be found across the Martian surface.

Target: Mars
Mission: Mars Reconnaissance Orbiter (MRO)
Spacecraft: Mars Reconnaissance Orbiter (MRO)
Instrument: High Resolution Imaging Science Experiment (HiRISE)
ID#: PIA08395
Added: 2017-02-08

Views: 2128

A Nine Kilometer Impact Crater and Its Central Peak

This image from NASA's Mars Reconnaissance Orbiter reveals an impact crater, nine kilometers in diameter, with a central peak. Impact craters of various sizes and ages can be found across the Martian surface.

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NASA's Mars Reconnaissance Orbiter has been observing Mars in sharp detail for more than a decade, enabling it to document many types of changes, such as the way winds alter the appearance of this recent impact site.
NASA's Mars Reconnaissance Orbiter has been observing Mars in sharp detail for more than a decade, enabling it to document many types of changes, such as the way winds alter the appearance of this recent impact site.

Mars Reconnaissance Orbiter Observes Changes

NASA's Mars Reconnaissance Orbiter has been observing Mars in sharp detail for more than a decade, enabling it to document many types of changes, such as the way winds alter the appearance of this recent impact site.

Target: Mars
Mission: Mars Reconnaissance Orbiter (MRO)
Spacecraft: Mars Reconnaissance Orbiter (MRO)
Instrument: High Resolution Imaging Science Experiment (HiRISE)
ID#: PIA21267
Added: 2017-02-08

Views: 838

Mars Reconnaissance Orbiter Observes Changes

NASA's Mars Reconnaissance Orbiter has been observing Mars in sharp detail for more than a decade, enabling it to document many types of changes, such as the way winds alter the appearance of this recent impact site.

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The dark spots in this enhanced-color infrared image from NASA's Mars Reconnaissance Orbiter are the recent impact craters that occurred in the Tharsis region between 2008 and 2014.
The dark spots in this enhanced-color infrared image from NASA's Mars Reconnaissance Orbiter are the recent impact craters that occurred in the Tharsis region between 2008 and 2014.

A Recent Cluster of Impacts

The dark spots in this enhanced-color infrared image from NASA's Mars Reconnaissance Orbiter are the recent impact craters that occurred in the Tharsis region between 2008 and 2014.

Target: Mars
Mission: Mars Reconnaissance Orbiter (MRO)
Spacecraft: Mars Reconnaissance Orbiter (MRO)
Instrument: High Resolution Imaging Science Experiment (HiRISE)
ID#: PIA11176
Added: 2017-02-07

Views: 354

A Recent Cluster of Impacts

The dark spots in this enhanced-color infrared image from NASA's Mars Reconnaissance Orbiter are the recent impact craters that occurred in the Tharsis region between 2008 and 2014.

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Gullies are relatively common features in the steep slopes of crater walls, possibly formed by dry debris flows, movement of carbon dioxide frost, or perhaps the melting of ground ice, as seen by NASA's Mars Reconnaissance Orbiter.
Gullies are relatively common features in the steep slopes of crater walls, possibly formed by dry debris flows, movement of carbon dioxide frost, or perhaps the melting of ground ice, as seen by NASA's Mars Reconnaissance Orbiter.

The Contrasting Colors of Crater Dunes and Gullies

Gullies are relatively common features in the steep slopes of crater walls, possibly formed by dry debris flows, movement of carbon dioxide frost, or perhaps the melting of ground ice, as seen by NASA's Mars Reconnaissance Orbiter.

Target: Mars
Mission: Mars Reconnaissance Orbiter (MRO)
Spacecraft: Mars Reconnaissance Orbiter (MRO)
Instrument: High Resolution Imaging Science Experiment (HiRISE)
ID#: PIA11178
Added: 2017-02-03

Views: 490

The Contrasting Colors of Crater Dunes and Gullies

Gullies are relatively common features in the steep slopes of crater walls, possibly formed by dry debris flows, movement of carbon dioxide frost, or perhaps the melting of ground ice, as seen by NASA's Mars Reconnaissance Orbiter.

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NASA's Mars Reconnaissance Orbiter observed a small portion of a dark crater floor in the Tyrrhena Terra region of Mars. This is largely ancient hard bedrock that has been cratered by numerous impacts over the eons.
NASA's Mars Reconnaissance Orbiter observed a small portion of a dark crater floor in the Tyrrhena Terra region of Mars. This is largely ancient hard bedrock that has been cratered by numerous impacts over the eons.

Hard Knocks in Tyrrhena Terra

NASA's Mars Reconnaissance Orbiter observed a small portion of a dark crater floor in the Tyrrhena Terra region of Mars. This is largely ancient hard bedrock that has been cratered by numerous impacts over the eons.

Target: Mars
Mission: Mars Reconnaissance Orbiter (MRO)
Spacecraft: Mars Reconnaissance Orbiter (MRO)
Instrument: High Resolution Imaging Science Experiment (HiRISE)
ID#: PIA11179
Added: 2017-02-02

Views: 225

Hard Knocks in Tyrrhena Terra

NASA's Mars Reconnaissance Orbiter observed a small portion of a dark crater floor in the Tyrrhena Terra region of Mars. This is largely ancient hard bedrock that has been cratered by numerous impacts over the eons.

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NASA's Mars Reconnaissance Orbiter captured this image of impact ejecta, a material that is thrown up and out of the surface of a planet as a result of the impact of an meteorite, asteroid or comet.
NASA's Mars Reconnaissance Orbiter captured this image of impact ejecta, a material that is thrown up and out of the surface of a planet as a result of the impact of an meteorite, asteroid or comet.

Raining Rocks

NASA's Mars Reconnaissance Orbiter captured this image of impact ejecta, a material that is thrown up and out of the surface of a planet as a result of the impact of an meteorite, asteroid or comet.

Target: Mars
Mission: Mars Reconnaissance Orbiter (MRO)
Spacecraft: Mars Reconnaissance Orbiter (MRO)
Instrument: High Resolution Imaging Science Experiment (HiRISE)
ID#: PIA11180
Added: 2017-02-01

Views: 360

Raining Rocks

NASA's Mars Reconnaissance Orbiter captured this image of impact ejecta, a material that is thrown up and out of the surface of a planet as a result of the impact of an meteorite, asteroid or comet.

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This image was taken by NASA's Mars Reconnaissance Orbiter during the Martian northern summer, thus there is no frost present on the dunes.
This image was taken by NASA's Mars Reconnaissance Orbiter during the Martian northern summer, thus there is no frost present on the dunes.

Dunes in Northern Summer

This image was taken by NASA's Mars Reconnaissance Orbiter during the Martian northern summer, thus there is no frost present on the dunes.

Target: Mars
Mission: Mars Reconnaissance Orbiter (MRO)
Spacecraft: Mars Reconnaissance Orbiter (MRO)
Instrument: High Resolution Imaging Science Experiment (HiRISE)
ID#: PIA11181
Added: 2017-01-31

Views: 603

Dunes in Northern Summer

This image was taken by NASA's Mars Reconnaissance Orbiter during the Martian northern summer, thus there is no frost present on the dunes.

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In the South Polar region of Mars this type of terrain may be covered by a seasonal polar cap composed of dry ice, as seen by NASA's Mars Reconnaissance Orbiter.
In the South Polar region of Mars this type of terrain may be covered by a seasonal polar cap composed of dry ice, as seen by NASA's Mars Reconnaissance Orbiter.

Rectangles with Wiggly Sides

In the South Polar region of Mars this type of terrain may be covered by a seasonal polar cap composed of dry ice, as seen by NASA's Mars Reconnaissance Orbiter.

Target: Mars
Mission: Mars Reconnaissance Orbiter (MRO)
Spacecraft: Mars Reconnaissance Orbiter (MRO)
Instrument: High Resolution Imaging Science Experiment (HiRISE)
ID#: PIA11238
Added: 2017-01-27

Views: 400

Rectangles with Wiggly Sides

In the South Polar region of Mars this type of terrain may be covered by a seasonal polar cap composed of dry ice, as seen by NASA's Mars Reconnaissance Orbiter.

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NASA's Mars Reconnaissance Orbiter captured this image of Hebrus Valles, located in the plains of the Northern lowlands, just west of the Elysium volcanic region.
NASA's Mars Reconnaissance Orbiter captured this image of Hebrus Valles, located in the plains of the Northern lowlands, just west of the Elysium volcanic region.

Pits and Channels of Hebrus Valles

NASA's Mars Reconnaissance Orbiter captured this image of Hebrus Valles, located in the plains of the Northern lowlands, just west of the Elysium volcanic region.

Target: Mars
Mission: Mars Reconnaissance Orbiter (MRO)
Spacecraft: Mars Reconnaissance Orbiter (MRO)
Instrument: High Resolution Imaging Science Experiment (HiRISE)
ID#: PIA11704
Added: 2017-01-26

Views: 253

Pits and Channels of Hebrus Valles

NASA's Mars Reconnaissance Orbiter captured this image of Hebrus Valles, located in the plains of the Northern lowlands, just west of the Elysium volcanic region.

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This photograph from northwestern New Mexico shows a ridge roughly 30 feet (about 10 meters) tall that formed from lava filling an underground fracture then resisting erosion better than the material around it did.
This photograph from northwestern New Mexico shows a ridge roughly 30 feet (about 10 meters) tall that formed from lava filling an underground fracture then resisting erosion better than the material around it did.

'Wing' Dike of Hardened Lava in New Mexico

This photograph from northwestern New Mexico shows a ridge roughly 30 feet (about 10 meters) tall that formed from lava filling an underground fracture then resisting erosion better than the material around it did.

Target: Earth
Mission: Mars Reconnaissance Orbiter (MRO)
ID#: PIA21266
Added: 2017-01-25

Views: 557

'Wing' Dike of Hardened Lava in New Mexico

This photograph from northwestern New Mexico shows a ridge roughly 30 feet (about 10 meters) tall that formed from lava filling an underground fracture then resisting erosion better than the material around it did.

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This anaglyph from NASA's Mars Reconnaissance Orbiter shows part of Gordi Dorsum in the Medusae Fossae region of Mars, shows part of an area on Mars where narrow rock ridges, some as tall as a 16-story building.
This anaglyph from NASA's Mars Reconnaissance Orbiter shows part of Gordi Dorsum in the Medusae Fossae region of Mars, shows part of an area on Mars where narrow rock ridges, some as tall as a 16-story building.

Blade-Like Martian Walls Outline Polygons (Stereo)

This anaglyph from NASA's Mars Reconnaissance Orbiter shows part of Gordi Dorsum in the Medusae Fossae region of Mars, shows part of an area on Mars where narrow rock ridges, some as tall as a 16-story building.

Target: Mars
Mission: Mars Reconnaissance Orbiter (MRO)
Spacecraft: Mars Reconnaissance Orbiter (MRO)
Instrument: High Resolution Imaging Science Experiment (HiRISE)
ID#: PIA21265
Added: 2017-01-25

Views: 423

Blade-Like Martian Walls Outline Polygons (Stereo)

This anaglyph from NASA's Mars Reconnaissance Orbiter shows part of Gordi Dorsum in the Medusae Fossae region of Mars, shows part of an area on Mars where narrow rock ridges, some as tall as a 16-story building.

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This image from NASA's Mars Reconnaissance Orbiter shows part of Gordi Dorsum in the Medusae Fossae region of Mars, where narrow rock ridges, some as tall as a 16-story building, intersect at angles forming corners of polygons.
This image from NASA's Mars Reconnaissance Orbiter shows part of Gordi Dorsum in the Medusae Fossae region of Mars, where narrow rock ridges, some as tall as a 16-story building, intersect at angles forming corners of polygons.

Blade-Like Martian Walls Outline Polygons

This image from NASA's Mars Reconnaissance Orbiter shows part of Gordi Dorsum in the Medusae Fossae region of Mars, where narrow rock ridges, some as tall as a 16-story building, intersect at angles forming corners of polygons.

Target: Mars
Mission: Mars Reconnaissance Orbiter (MRO)
Spacecraft: Mars Reconnaissance Orbiter (MRO)
Instrument: High Resolution Imaging Science Experiment (HiRISE)
ID#: PIA21264
Added: 2017-01-25

Views: 942

Blade-Like Martian Walls Outline Polygons

This image from NASA's Mars Reconnaissance Orbiter shows part of Gordi Dorsum in the Medusae Fossae region of Mars, where narrow rock ridges, some as tall as a 16-story building, intersect at angles forming corners of polygons.

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In this image from NASA's Mars Reconnaissance Orbiter is an old degraded crater that has undergone a complex history of burial and erosion. At least two types of exposed bedrock are shown here.
In this image from NASA's Mars Reconnaissance Orbiter is an old degraded crater that has undergone a complex history of burial and erosion. At least two types of exposed bedrock are shown here.

Contact between Two Distinct Types of Bedrock Northwest of Hellas Planitia

In this image from NASA's Mars Reconnaissance Orbiter is an old degraded crater that has undergone a complex history of burial and erosion. At least two types of exposed bedrock are shown here.

Target: Mars
Mission: Mars Reconnaissance Orbiter (MRO)
Spacecraft: Mars Reconnaissance Orbiter (MRO)
Instrument: High Resolution Imaging Science Experiment (HiRISE)
ID#: PIA11705
Added: 2017-01-25

Views: 174

Contact between Two Distinct Types of Bedrock Northwest of Hellas Planitia

In this image from NASA's Mars Reconnaissance Orbiter is an old degraded crater that has undergone a complex history of burial and erosion. At least two types of exposed bedrock are shown here.

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NASA's Mars Reconnaissance Orbiter spies a layer of dry ice covering Mars' south polar layer. In the spring, gas created from heating of the dry ice escapes through ruptures in the overlying seasonal ice, entraining material from the ground below.
NASA's Mars Reconnaissance Orbiter spies a layer of dry ice covering Mars' south polar layer. In the spring, gas created from heating of the dry ice escapes through ruptures in the overlying seasonal ice, entraining material from the ground below.

How Gas Carves Channels

NASA's Mars Reconnaissance Orbiter spies a layer of dry ice covering Mars' south polar layer. In the spring, gas created from heating of the dry ice escapes through ruptures in the overlying seasonal ice, entraining material from the ground below.

Target: Mars
Mission: Mars Reconnaissance Orbiter (MRO)
Spacecraft: Mars Reconnaissance Orbiter (MRO)
Instrument: High Resolution Imaging Science Experiment (HiRISE)
ID#: PIA11706
Added: 2017-01-24

Views: 215

How Gas Carves Channels

NASA's Mars Reconnaissance Orbiter spies a layer of dry ice covering Mars' south polar layer. In the spring, gas created from heating of the dry ice escapes through ruptures in the overlying seasonal ice, entraining material from the ground below.

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The layered bedrock in this image was brought from several kilometers of depth during the formation of this 44 kilometer wide crater in the volcanic plains of Lunae Planum as seen by NASA's Mars Reconnaissance Orbiter.
The layered bedrock in this image was brought from several kilometers of depth during the formation of this 44 kilometer wide crater in the volcanic plains of Lunae Planum as seen by NASA's Mars Reconnaissance Orbiter.

The Beauty of Layered Stratigraphy

The layered bedrock in this image was brought from several kilometers of depth during the formation of this 44 kilometer wide crater in the volcanic plains of Lunae Planum as seen by NASA's Mars Reconnaissance Orbiter.

Target: Mars
Mission: Mars Reconnaissance Orbiter (MRO)
Spacecraft: Mars Reconnaissance Orbiter (MRO)
Instrument: High Resolution Imaging Science Experiment (HiRISE)
ID#: PIA12178
Added: 2017-01-20

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The Beauty of Layered Stratigraphy

The layered bedrock in this image was brought from several kilometers of depth during the formation of this 44 kilometer wide crater in the volcanic plains of Lunae Planum as seen by NASA's Mars Reconnaissance Orbiter.

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