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The lava flows in this image from NASA's 2001 Mars Odyssey spacecraft are part of Ascraeus Mons.
The lava flows in this image from NASA's 2001 Mars Odyssey spacecraft are part of Ascraeus Mons.

Ascraeus Mons

The dark dunes in this image captured by NASA's 2001 Mars Odyssey spacecraft are located in a depression bounded by ice. The polar ice is the bright material at the top and bottom parts of this image.
The dark dunes in this image captured by NASA's 2001 Mars Odyssey spacecraft are located in a depression bounded by ice. The polar ice is the bright material at the top and bottom parts of this image.

Polar Dunes

This Gale image from NASA's Mars Odyssey spacecraft shows the region just slightly south of yesterday's image. The dark region on the crater floor is sand. The dunes that encircle Mt. Sharp are most likely comprised of sand eroded from Mt. Sharp itself.
This Gale image from NASA's Mars Odyssey spacecraft shows the region just slightly south of yesterday's image. The dark region on the crater floor is sand. The dunes that encircle Mt. Sharp are most likely comprised of sand eroded from Mt. Sharp itself.

Images of Gale #11

This image from NASA's Mars Odyssey shows Bahram Vallis where it enters Waspam Crater. Bahram Vallis exits the crater to the north a short distance from this location along the rim of Waspam Crater.
This image from NASA's Mars Odyssey shows Bahram Vallis where it enters Waspam Crater. Bahram Vallis exits the crater to the north a short distance from this location along the rim of Waspam Crater.

Bahram Vallis

This image captured by NASA's 2001 Mars Odyssey spacecraft shows a small part of the south polar cap.
This image captured by NASA's 2001 Mars Odyssey spacecraft shows a small part of the south polar cap.

South Polar Cap

The dark lines in this image from NASA's Mars Odyssey are the tracks of dust devils in this region of Arcadia Plainitia. As the swirling winds move along the surface, they remove the dust cover, revealing the darker rock beneath.
The dark lines in this image from NASA's Mars Odyssey are the tracks of dust devils in this region of Arcadia Plainitia. As the swirling winds move along the surface, they remove the dust cover, revealing the darker rock beneath.

Dust Devil Tracks

The large graben in this image from NASA's 2001 Mars Odyssey spacecraft is part of a series of graben located on the southern flank of Alba Mons. This collection of graben is called Ceraunius Fossae. The term fossae means long, linear depressions.
The large graben in this image from NASA's 2001 Mars Odyssey spacecraft is part of a series of graben located on the southern flank of Alba Mons. This collection of graben is called Ceraunius Fossae. The term fossae means long, linear depressions.

Ceraunius Fossae

Several channels are located on the flank of Hecates Tholus. In this image captured by NASA's 2001 Mars Odyssey spacecraft, one of those channels enters a crater, creating a deposit on the floor of the crater.
Several channels are located on the flank of Hecates Tholus. In this image captured by NASA's 2001 Mars Odyssey spacecraft, one of those channels enters a crater, creating a deposit on the floor of the crater.

Into the Crater

NASA's Curiosity Mars rover has made measurements indicating that the Cumberland rock target the rover drilled in May 2013 has been exposed at the surface for about 80 million years.
NASA's Curiosity Mars rover has made measurements indicating that the Cumberland rock target the rover drilled in May 2013 has been exposed at the surface for about 80 million years.

Scarp Retreat Model and Exposure History of 'Yellowknife Bay'

This chart graphs measurements made by the Dynamic Albedo of Neutrons (DAN) instrument on NASA's Mars rover Curiosity against the distance the rover has driven, in meters.
This chart graphs measurements made by the Dynamic Albedo of Neutrons (DAN) instrument on NASA's Mars rover Curiosity against the distance the rover has driven, in meters.

Variations of DAN Measurements Along Curiosity Traverse

This image from NASA's 2001 Mars Odyssey spacecraft shows sand dunes on the floor of an unnamed crater near Meridiani Planum.
This image from NASA's 2001 Mars Odyssey spacecraft shows sand dunes on the floor of an unnamed crater near Meridiani Planum.

Dunes

This image captured by NASA's 2001 Mars Odyssey spacecraft shows a small portion of Olympia Undae, the largest dune field near the north polar cap.
This image captured by NASA's 2001 Mars Odyssey spacecraft shows a small portion of Olympia Undae, the largest dune field near the north polar cap.

Olympia Undae

Gullies are visible in this image of the northern rim of Holden Crater as seen by NASA's 2001 Mars Odyssey spacecraft.
Gullies are visible in this image of the northern rim of Holden Crater as seen by NASA's 2001 Mars Odyssey spacecraft.

Gullies in Holden Crater

This image from NASA's 2001 Mars Odyssey shows a sand sheet with dune forms located northeast of Douglass Crater.
This image from NASA's 2001 Mars Odyssey shows a sand sheet with dune forms located northeast of Douglass Crater.

Dunes Northeast of Douglass Crater

The small, dark dunes in this image captured by NASA's 2001 Mars Odyssey spacecraft are located on the floor of Moreux Crater.
The small, dark dunes in this image captured by NASA's 2001 Mars Odyssey spacecraft are located on the floor of Moreux Crater.

Moreux Crater Dunes

The north-south trending fractures and graben (block down-dropped between two fractures) in this region are called Ceraunius Fossae and are likely related to Alba Mons to the north shown in this image from NASA's 2001 Mars Odyssey spacecraft.
The north-south trending fractures and graben (block down-dropped between two fractures) in this region are called Ceraunius Fossae and are likely related to Alba Mons to the north shown in this image from NASA's 2001 Mars Odyssey spacecraft.

Ceraunius Fossae

This image from NASA's 2001 Mars Odyssey spacecraft shows sand dunes located near the north polar cap. It is springtime and the dunes will darken with time as the winter frost sublimates in the sun.
This image from NASA's 2001 Mars Odyssey spacecraft shows sand dunes located near the north polar cap. It is springtime and the dunes will darken with time as the winter frost sublimates in the sun.

Spring at the North Pole

The small channel at the top of this image from NASA's 2001 Mars Odyssey spacecraft is located on the rim of an unnamed crater in Terra Sabaea.
The small channel at the top of this image from NASA's 2001 Mars Odyssey spacecraft is located on the rim of an unnamed crater in Terra Sabaea.

Channel

The lava flows seen in this image from NASA's 2001 Mars Odyssey spacecraft are part of Daedalia Planum. The flows are associated with Arsia Mons.
The lava flows seen in this image from NASA's 2001 Mars Odyssey spacecraft are part of Daedalia Planum. The flows are associated with Arsia Mons.

Daedalia Planum

NASA's Mars Exploration Rover captured this stereo, 360-degree view near the ridgeline of Endeavour Crater's western rim. The center is southeastward. You need 3D glasses to view this image.
NASA's Mars Exploration Rover captured this stereo, 360-degree view near the ridgeline of Endeavour Crater's western rim. The center is southeastward. You need 3D glasses to view this image.

Approaching a Target Deposit on Mars Crater Rim (Stereo)

The hills (chaos) in this image from NASA's 2001 Mars Odyssey spacecraft are located between Stege Crater, just outside of the image to the northeast, and Maja Valles (left side of image).
The hills (chaos) in this image from NASA's 2001 Mars Odyssey spacecraft are located between Stege Crater, just outside of the image to the northeast, and Maja Valles (left side of image).

Chaos

Long dunes are visible in this image of an unnamed crater in Sisyphi Planum as seen by NASA's 2001 Mars Odyssey spacecraft.
Long dunes are visible in this image of an unnamed crater in Sisyphi Planum as seen by NASA's 2001 Mars Odyssey spacecraft.

V43168007

This two-image blink shows a comparison of two exposure times in images from the panoramic camera (Pancam) on NASA's Mars Exploration Rover Opportunity showing comet C/2013 A1 Siding Spring as it flew near Mars on Oct. 19, 2014.
This two-image blink shows a comparison of two exposure times in images from the panoramic camera (Pancam) on NASA's Mars Exploration Rover Opportunity showing comet C/2013 A1 Siding Spring as it flew near Mars on Oct. 19, 2014.

Mars Rover Opportunity's View of Comet (Blink of Two Exposures)

This image captured by NASA's 2001 Mars Odyssey spacecraft is further west from yesterday's image, near the margin between Coprates Chasma and Melas Chasma.
This image captured by NASA's 2001 Mars Odyssey spacecraft is further west from yesterday's image, near the margin between Coprates Chasma and Melas Chasma.

Coprates Chasma

The parallel channels seen in this image NASA's 2001 Mars Odyssey spacecraft captured by are dissecting the flanks of Apollinaris Mons, a large volcano north of Gusev Crater.
The parallel channels seen in this image NASA's 2001 Mars Odyssey spacecraft captured by are dissecting the flanks of Apollinaris Mons, a large volcano north of Gusev Crater.

Apollineris Mons

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