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This non-circular pit seen in this image from NASA's Mars Reconnaissance Orbiter is due to a low angle impact from an asteroid or comet. The raised plateau west of the crater was where most of the impact debris landed.
This non-circular pit seen in this image from NASA's Mars Reconnaissance Orbiter is due to a low angle impact from an asteroid or comet. The raised plateau west of the crater was where most of the impact debris landed.

Martian Thunderbird

This image demonstrates how engineers place the drill carried by NASA's Mars rover Curiosity onto rock targets. They first set down the drill's two stabilizing prongs near the target, as shown by the dashed line.
This image demonstrates how engineers place the drill carried by NASA's Mars rover Curiosity onto rock targets. They first set down the drill's two stabilizing prongs near the target, as shown by the dashed line.

Checking Contact Points for Curiosity's Drill

This image shows the topography, with shading added, around the area where NASA's Curiosity rover landed. An alluvial fan, or fan-shaped deposit where debris spreads out downslope, has been highlighted in lighter colors for better viewing.
This image shows the topography, with shading added, around the area where NASA's Curiosity rover landed. An alluvial fan, or fan-shaped deposit where debris spreads out downslope, has been highlighted in lighter colors for better viewing.

Where Water Flowed Downslope

As northern spring progresses, clouds continue to cover large portions of the north polar region. This image captured by NASA's 2001 Mars Odyssey spacecraft.
As northern spring progresses, clouds continue to cover large portions of the north polar region. This image captured by NASA's 2001 Mars Odyssey spacecraft.

Polar Clouds

The many channels in this image captured by NASA's 2001 Mars Odyssey spacecraft are volcanic collapse features on the southern flank of Ascraeus Mons.
The many channels in this image captured by NASA's 2001 Mars Odyssey spacecraft are volcanic collapse features on the southern flank of Ascraeus Mons.

Ascraeus Mons

Aurorae Chaos is located at the eastern end of the chasmata forming Vallis Marineris. This image from NASA's 2001 Mars Odyssey spacecraft is very close to the chasmata and at a higher elevation than the floor of the chasmata.
Aurorae Chaos is located at the eastern end of the chasmata forming Vallis Marineris. This image from NASA's 2001 Mars Odyssey spacecraft is very close to the chasmata and at a higher elevation than the floor of the chasmata.

Aurorae Chaos

This image taken by NASA's Mars Reconnaissance Orbiter shows gullies in a semi-circular trough in Noachis Terra. The gullies are observed to face all directions.
This image taken by NASA's Mars Reconnaissance Orbiter shows gullies in a semi-circular trough in Noachis Terra. The gullies are observed to face all directions.

Gullied Trough in Noachis Terra

This picture of a heart-shaped feature in Arabia Terra on Mars was taken on May 23, 2010, by NASA's Mars Reconnaissance Orbiter. A small impact crater near the tip of the heart is responsible for the formation of the bright, heart-shaped feature.
This picture of a heart-shaped feature in Arabia Terra on Mars was taken on May 23, 2010, by NASA's Mars Reconnaissance Orbiter. A small impact crater near the tip of the heart is responsible for the formation of the bright, heart-shaped feature.

Heart-Shaped Feature in Arabia Terra

The steep northern wall of Tithonium Chasma crosses this image from NASA's 2001 Mars Odyssey spacecraft. Landslide deposits from slope failure can be seen at the lower left corner of the image.
The steep northern wall of Tithonium Chasma crosses this image from NASA's 2001 Mars Odyssey spacecraft. Landslide deposits from slope failure can be seen at the lower left corner of the image.

Tithonium Chasma

The yellow line on this map shows where NASA's Mars Rover Opportunity has driven from the place where it landed in January 2004, inside Eagle crater, upper left end of track, to a point about 2.2 miles away from reaching the rim of Endeavour crater.
The yellow line on this map shows where NASA's Mars Rover Opportunity has driven from the place where it landed in January 2004, inside Eagle crater, upper left end of track, to a point about 2.2 miles away from reaching the rim of Endeavour crater.

Eagle to Endeavour: Opportunity's Path, Sol 2609

A Martian rock in the 'Yellowknife Bay' area of Mars' Gale Crater is illuminated by white-light light emitting diodes.
A Martian rock in the 'Yellowknife Bay' area of Mars' Gale Crater is illuminated by white-light light emitting diodes.

MAHLI's First Night Imaging of Martian Rock, White Lighting

This image from the MAHLI camera on NASA's Mars rover Curiosity shows details of rock texture and color in an area where the rover's Dust Removal Tool (DRT) brushed away dust that was on the rock.
This image from the MAHLI camera on NASA's Mars rover Curiosity shows details of rock texture and color in an area where the rover's Dust Removal Tool (DRT) brushed away dust that was on the rock.

Close-up of Brushed Area on Martian Rock Target 'Ekwir_1'

Three images of the same location, taken by NASA's Mars Reconnaissance Orbiter at different times on Mars, show seasonal activity causing sand avalanches and ripple changes on a Martian dune. Time sequence of the images progresses from top to bottom.
Three images of the same location, taken by NASA's Mars Reconnaissance Orbiter at different times on Mars, show seasonal activity causing sand avalanches and ripple changes on a Martian dune. Time sequence of the images progresses from top to bottom.

Seasonal Changes in Northern Mars Dune Field

This view of Lyot Crater is a combined mapping by NASA's Project Viking with elevation information from Mars Global Surveyor 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 Lyot Crater is a combined mapping by NASA's Project Viking with elevation information from Mars Global Surveyor 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 Lyot, Northern Mars

This 3-D image from NASA's rover Opportunity takes a look at Matijevic Hill, an area within the 'Cape York' segment of Endeavour's rim where clay minerals have been detected from orbit.
This 3-D image from NASA's rover Opportunity takes a look at Matijevic Hill, an area within the 'Cape York' segment of Endeavour's rim where clay minerals have been detected from orbit.

'Matijevic Hill' Panorama for Rover's Ninth Anniversary (Stereo)

This false color image from NASA's rover Opportunity takes a look at Matijevic Hill, an area within the 'Cape York' segment of Endeavour's rim where clay minerals have been detected from orbit.
This false color image from NASA's rover Opportunity takes a look at Matijevic Hill, an area within the 'Cape York' segment of Endeavour's rim where clay minerals have been detected from orbit.

'Matijevic Hill' Panorama for Rover's Ninth Anniversary (False Color)

A sand dune field is located on the floor of this unnamed crater in Terra Cimmeria by NASA's 2001 Mars Odyssey spacecraft.
A sand dune field is located on the floor of this unnamed crater in Terra Cimmeria by NASA's 2001 Mars Odyssey spacecraft.

Sand Dunes in Terra Cimmeria

This image from NASA's 2001 Mars Odyssey spacecraft shows a portion of northeastern Syrtis Major. In this image are several windstreaks and a lava flow that has entered the crater on the top of the image.
This image from NASA's 2001 Mars Odyssey spacecraft shows a portion of northeastern Syrtis Major. In this image are several windstreaks and a lava flow that has entered the crater on the top of the image.

Syrtis Major

The straight lines in Curiosity's zigzag track marks are Morse code for JPL. The 'footprint' is an important reference mark that the rover can use to drive more precisely via a system called visual odometry.
The straight lines in Curiosity's zigzag track marks are Morse code for JPL. The 'footprint' is an important reference mark that the rover can use to drive more precisely via a system called visual odometry.

Reading the Rover's Tracks

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 from NASA's 2001 Mars Odyssey spacecraft shows some of the plains of Margaritifer Terra.
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 from NASA's 2001 Mars Odyssey spacecraft shows some of the plains of Margaritifer Terra.

Margaritifer Terra - False Color

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 from NASA's 2001 Mars Odyssey spacecraft shows some of the plains of Sabaea Terra.
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 from NASA's 2001 Mars Odyssey spacecraft shows some of the plains of Sabaea Terra.

Terra Sabaea - False Color

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 from NASA's 2001 Mars Odyssey spacecraft shows part of Juventae Chasma.
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 from NASA's 2001 Mars Odyssey spacecraft shows part of Juventae Chasma.

Juventae Chasma - False Color

This image captured by NASA's 2001 Mars Odyssey spacecraft shows part of Olympia Undae, a large sand sea located near the north polar cap.
This image captured by NASA's 2001 Mars Odyssey spacecraft shows part of Olympia Undae, a large sand sea located near the north polar cap.

Olympia Undae

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 image from NASA's 2001 Mars Odyssey spacecraft shows the surface of the south polar cap during springtime.
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 image from NASA's 2001 Mars Odyssey spacecraft shows the surface of the south polar cap during springtime.

Southern Spring - False Color

This set of images from Mars shows the handiwork of different tools on three NASA missions to the surface of Mars.
This set of images from Mars shows the handiwork of different tools on three NASA missions to the surface of Mars.

Different Tools for Different Purposes on Mars

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