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Tikhonravov Crater is a large, old crater in Terra Sabaea. The crater is pockmarked by numerous younger craters and other features. This image from NASA's Mars Odyssey shows a channel within Tikhonravov Crater.
Tikhonravov Crater is a large, old crater in Terra Sabaea. The crater is pockmarked by numerous younger craters and other features. This image from NASA's Mars Odyssey shows a channel within Tikhonravov Crater.

Tikhonravov Crater

The total distance driven by NASA's Mars rover Curiosity passed the one-mile mark a few days before the first anniversary of the rover's landing on Mars. The mapped area is within Gale Crater, and north of Mount Sharp, in the middle of the crater.
The total distance driven by NASA's Mars rover Curiosity passed the one-mile mark a few days before the first anniversary of the rover's landing on Mars. The mapped area is within Gale Crater, and north of Mount Sharp, in the middle of the crater.

Full Curiosity Traverse Passes One-Mile Mark

Both polar caps on Mars are composed of many layers of ice and dust. This image from NASA's Mars Odyssey clearly shows the layering of the North polar cap.
Both polar caps on Mars are composed of many layers of ice and dust. This image from NASA's Mars Odyssey clearly shows the layering of the North polar cap.

Polar Layers

The Mars Climate Sounder instrument on NASA's Mars Reconnaissance Orbiter maps the vertical distribution of temperatures, dust, water vapor and ice clouds in the Martian atmosphere as the orbiter flies a near-polar orbit.
The Mars Climate Sounder instrument on NASA's Mars Reconnaissance Orbiter maps the vertical distribution of temperatures, dust, water vapor and ice clouds in the Martian atmosphere as the orbiter flies a near-polar orbit.

Martian Atmosphere Profiles

This image, taken by NASA's 2001 Mars Odyssey spacecraft, shows a portion of the rim and floor of Gale Crater. The crater rim is dissected by a channel, and dunes are located on the floor at the rim margin.
This image, taken by NASA's 2001 Mars Odyssey spacecraft, shows a portion of the rim and floor of Gale Crater. The crater rim is dissected by a channel, and dunes are located on the floor at the rim margin.

Gale Crater

This image taken by NASA's 2001 Mars Odyssey shows just one of the many channels located in the northern part of Terra Sabaea which is heavily fractured and channeled, breaking up into a chaotic terrain as the elevation drops down to the northern plains.
This image taken by NASA's 2001 Mars Odyssey shows just one of the many channels located in the northern part of Terra Sabaea which is heavily fractured and channeled, breaking up into a chaotic terrain as the elevation drops down to the northern plains.

Terra Sabaea

This image captured by NASA's Mars Reconnaissance Orbiter covers some high-standing topography just outside the rim of an impact crater about 30 kilometers (19 miles) in diameter near a Martian hill named Zephyria Tholus.
This image captured by NASA's Mars Reconnaissance Orbiter covers some high-standing topography just outside the rim of an impact crater about 30 kilometers (19 miles) in diameter near a Martian hill named Zephyria Tholus.

Dust-Mantled Topography near Zephyria Tholus

NASA's Curiosity rover has detected the simple carbon-containing compounds chloro- and dichloromethane from the powdered rock sample extracted from the 'John Klein' rock on Mars.
NASA's Curiosity rover has detected the simple carbon-containing compounds chloro- and dichloromethane from the powdered rock sample extracted from the 'John Klein' rock on Mars.

Chlorinated Forms of Methane at 'John Klein' Site

The lava flows in this image captured by NASA's 2001 Mars Odyssey spacecraft are located on the northeastern margin of Daedalia Planum. Wind deposits are visible in the lee of the flow fronts.
The lava flows in this image captured by NASA's 2001 Mars Odyssey spacecraft are located on the northeastern margin of Daedalia Planum. Wind deposits are visible in the lee of the flow fronts.

Lava Flows

This graphic from NASA's Curiosity mission shows an analysis of the composition of two rocks called 'Crest' and 'Rapitan' in the 'Yellowknife Bay' area of Mars
This graphic from NASA's Curiosity mission shows an analysis of the composition of two rocks called 'Crest' and 'Rapitan' in the 'Yellowknife Bay' area of Mars

Signs of Hydrated Calcium Sulfates in Martian Rocks

The streamlined islands in this image from NASA's 2001 Mars Odyssey spacecraft are located in the channel of Marte Vallis.
The streamlined islands in this image from NASA's 2001 Mars Odyssey spacecraft are located in the channel of Marte Vallis.

Streamlined Islands

Twenty-one times during the first 12 weeks that NASA's Mars rover Curiosity worked on Mars, the rover's Rover Environmental Monitoring Station (REMS) detected brief dips in air pressure that could be caused by a passing whirlwind.
Twenty-one times during the first 12 weeks that NASA's Mars rover Curiosity worked on Mars, the rover's Rover Environmental Monitoring Station (REMS) detected brief dips in air pressure that could be caused by a passing whirlwind.

Signs of a Whirlwind in Gale Crater

This image from NASA's Mars Odyssey shows channelized flows on the southwestern flank of the volcano.
This image from NASA's Mars Odyssey shows channelized flows on the southwestern flank of the volcano.

Olympus Mons Flows

This map shows the route driven by NASA's Curiosity Mars rover from the 'Bradbury Landing' location where it landed in August 2012 (the start of the line in upper right) to a major waypoint called 'the Kimberley'.
This map shows the route driven by NASA's Curiosity Mars rover from the 'Bradbury Landing' location where it landed in August 2012 (the start of the line in upper right) to a major waypoint called 'the Kimberley'.

Curiosity Mars Rover's Route from Landing to 'The Kimberley' Waypoint

NASA's Mars Exploration Rover Opportunity will spend its fifth Martian winter working at a location informally named 'Greeley Haven.' This image indicates the location of Greeley Haven on Cape York.
NASA's Mars Exploration Rover Opportunity will spend its fifth Martian winter working at a location informally named 'Greeley Haven.' This image indicates the location of Greeley Haven on Cape York.

Locator Map for 'Greeley Haven' on Endeavour Rim

Nili Fossae, a series of tectonic fractures, is the low region on the right side of this image captured by NASA's Mars Odyssey. A small channel is visible draining into the large tectonic depression.
Nili Fossae, a series of tectonic fractures, is the low region on the right side of this image captured by NASA's Mars Odyssey. A small channel is visible draining into the large tectonic depression.

Nili Fossae

The dunes in this image taken by NASA's 2001 Mars Odyssey spacecraft are located on the floor of Herschel Crater.
The dunes in this image taken by NASA's 2001 Mars Odyssey spacecraft are located on the floor of Herschel Crater.

Herschel Crater Dunes

This image from NASA's 2001 Mars Odyssey shows a few of the many channels named (in this case Arda Valles) and unnamed that empty into a large low in Margaritifer Terra.
This image from NASA's 2001 Mars Odyssey shows a few of the many channels named (in this case Arda Valles) and unnamed that empty into a large low in Margaritifer Terra.

Arda Valles

This image from NASA's 2001 Mars Odyssey shows part of the northeastern flank of Ascraeus Mons, one of the large Tharsis volcanoes. The channels were carved by lava, not by water.
This image from NASA's 2001 Mars Odyssey shows part of the northeastern flank of Ascraeus Mons, one of the large Tharsis volcanoes. The channels were carved by lava, not by water.

Ascraeus Mons

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 the floor of Pollack Crater.
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 the floor of Pollack Crater.

Pollack Crater - False Color

The windstreaks in this image from NASA's 2001 Mars Odyssey spacecraft are located in Syrtis Major Planum between Nili and Meroe Paterae.
The windstreaks in this image from NASA's 2001 Mars Odyssey spacecraft are located in Syrtis Major Planum between Nili and Meroe Paterae.

Syrtis Major Windstreaks

This oblique view of Gale crater shows the landing site and the mound of layered rocks that NASA's Mars Science Laboratory will investigate. The landing site is in the smooth area in front of the mound.
This oblique view of Gale crater shows the landing site and the mound of layered rocks that NASA's Mars Science Laboratory will investigate. The landing site is in the smooth area in front of the mound.

Canyons on Mountain Inside Gale Crater

This view of Stokes Crater is a mosaic of images taken by NASA's Mars Reconnaissance Orbiter and ESA's Mars Express showing at least one of the nine craters in the northern lowlands of Mars with exposures of hydrated minerals detected from orbit.
This view of Stokes Crater is a mosaic of images taken by NASA's Mars Reconnaissance Orbiter and ESA's Mars Express showing at least one of the nine craters in the northern lowlands of Mars with exposures of hydrated minerals detected from orbit.

Hydrated Minerals Exposed at Stokes, Northern Mars

This image combines photographs taken by the Mars Hand Lens Imager (MAHLI) at three different distances from the first Martian rock that NASA's Curiosity rover touched with its arm.
This image combines photographs taken by the Mars Hand Lens Imager (MAHLI) at three different distances from the first Martian rock that NASA's Curiosity rover touched with its arm.

Mars Hand Lens Imager Nested Close-Ups of Rock 'Jake Matijevic'

This image captured by NASA's 2001 Mars Odyssey spacecraft shows windstreaks on the volcanic plains of Daedalia Planum.
This image captured by NASA's 2001 Mars Odyssey spacecraft shows windstreaks on the volcanic plains of Daedalia Planum.

Windstreaks

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