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NASA's 2001 Mars Odyssey spacecraft captured this image of dunes on the floor of an unnamed crater in Tyrrhena Terra.
NASA's 2001 Mars Odyssey spacecraft captured this image of dunes on the floor of an unnamed crater in Tyrrhena Terra.

Dunes in Tyrrhena Terra

The lava flows in this image captured by NASA's 2001 Mars Odyssey spacecraft originated at Pavonis Mons.
The lava flows in this image captured by NASA's 2001 Mars Odyssey spacecraft originated at Pavonis Mons.

Pavonis Mons

This image, taken Jan. 26, 2012, shows NASA's no-longer-active Phoenix Mars Lander spacecraft after its second Martian arctic winter.
This image, taken Jan. 26, 2012, shows NASA's no-longer-active Phoenix Mars Lander spacecraft after its second Martian arctic winter.

Phoenix Lander After Second Martian Winter

This image from NASA's Mars Odyssey shows part of the floor of Ganges Chasma. Deposits of fine surface materials and bright layered deposits are visible in this image.
This image from NASA's Mars Odyssey shows part of the floor of Ganges Chasma. Deposits of fine surface materials and bright layered deposits are visible in this image.

Ganges Chasma

Spring time brings storms to the north polar region of Mars. This image captured by NASA's 2001 Mars Odyssey spacecraft shows a storm front, as bright clouds shadow and obscure the surface.
Spring time brings storms to the north polar region of Mars. This image captured by NASA's 2001 Mars Odyssey spacecraft shows a storm front, as bright clouds shadow and obscure the surface.

Storm Front

A branch of Nanedi Valles entered a crater and deposited a delta that fills the majority of the crater floor. This image was captured by NASA's Mars Odyssey.
A branch of Nanedi Valles entered a crater and deposited a delta that fills the majority of the crater floor. This image was captured by NASA's Mars Odyssey.

Nanedi Valles

Taken by NASA's 2001 Mars Odyssey spacecraft, this image shows a fan shaped deposit located on the floor of Holden Crater.
Taken by NASA's 2001 Mars Odyssey spacecraft, this image shows a fan shaped deposit located on the floor of Holden Crater.

Holden Crater Fan

This image from a movie clip shows Phobos, the larger of the two moons of Mars, passing in front of the other Martian moon, Deimos, on Aug. 1, from the perspective of NASA's Mars rover Curiosity.
This image from a movie clip shows Phobos, the larger of the two moons of Mars, passing in front of the other Martian moon, Deimos, on Aug. 1, from the perspective of NASA's Mars rover Curiosity.

Smoothed Movie of Phobos Passing Deimos in Martian Sky

Dark streaks mark the slope of this crater rim south of Tikhonravov Crater in this image captured by NASA's Mars Odyssey.
Dark streaks mark the slope of this crater rim south of Tikhonravov Crater in this image captured by NASA's Mars Odyssey.

Dark Slope Streaks

Parts of Meridiani Planum have a surface that appears to be composed of different layers of material. In this image taken by NASA's Mars Odyssey the contrast of bright and dark materials indicates the different layers.
Parts of Meridiani Planum have a surface that appears to be composed of different layers of material. In this image taken by NASA's Mars Odyssey the contrast of bright and dark materials indicates the different layers.

Meridiani Planum

This image captured by NASA's 2001 Mars Odyssey spacecraft shows part of the caldera system on the summit of Olympus Mons.
This image captured by NASA's 2001 Mars Odyssey spacecraft shows part of the caldera system on the summit of Olympus Mons.

Olympus Mons

Layer upon layer of volcanic flows make up Daedalia Planum as shown in this image from NASA's 2001 Mars Odyssey spacecraft.
Layer upon layer of volcanic flows make up Daedalia Planum as shown in this image from NASA's 2001 Mars Odyssey spacecraft.

Daedalia Planum

This image from NASA's 2001 Mars Odyssey spacecraft shows Lonar Crater. This crater has undergone very little modification since it formed, and so is one of the younger features in this region.
This image from NASA's 2001 Mars Odyssey spacecraft shows Lonar Crater. This crater has undergone very little modification since it formed, and so is one of the younger features in this region.

Lonar Crater

This image from NASA's Mars Reconnaissance Orbiter was targeted to study knobs in Mars' northern plains, north of Scandia Crater. The knobs are clearly imaged, but what surprised scientists was a dust devil visible in the south-central part of the image.
This image from NASA's Mars Reconnaissance Orbiter was targeted to study knobs in Mars' northern plains, north of Scandia Crater. The knobs are clearly imaged, but what surprised scientists was a dust devil visible in the south-central part of the image.

Record-Breaking Dust Devil Caught in the Act

The unusual shallow, scalloped depressions in this image from NASA's 2001 Mars Odyssey spacecraft are located on the margin Peneus Patera, south of Hellas Planitia. It may be that volatiles, such as ice, are involved in the formation of these depressions.
The unusual shallow, scalloped depressions in this image from NASA's 2001 Mars Odyssey spacecraft are located on the margin Peneus Patera, south of Hellas Planitia. It may be that volatiles, such as ice, are involved in the formation of these depressions.

Peneus Patera

Do you see what I see? Poor Mickey Mouse, only his head remains at the bottom of this image captured by NASA's 2001 Mars Odyssey spacecraft.
Do you see what I see? Poor Mickey Mouse, only his head remains at the bottom of this image captured by NASA's 2001 Mars Odyssey spacecraft.

THEMIS Art #115

NASA's Mars 2020 rover would have capabilities for nested-scale observations and localized composition identification down to microscopic scale.
NASA's Mars 2020 rover would have capabilities for nested-scale observations and localized composition identification down to microscopic scale.

The Importance of Nested Scales of Observations, Fine Scales

Several landslides occurred on this steep cliff face in this image captured by NASA's 2001 Mars Odyssey spacecraft.
Several landslides occurred on this steep cliff face in this image captured by NASA's 2001 Mars Odyssey spacecraft.

Landslide

This unnamed crater in northern Terra Cimmeria has a small channel that created a delta feature. Such features are important indicators of liquid water in Mars' past as shown in this image from NASA's Mars Odyssey.
This unnamed crater in northern Terra Cimmeria has a small channel that created a delta feature. Such features are important indicators of liquid water in Mars' past as shown in this image from NASA's Mars Odyssey.

Delta in Terra Cimmeria

This map shows the path that NASA's Mars Exploration Rover Spirit followed from the 743rd Martian day (Feb. 4, 2009), or sol, to Sol 2471 (Dec. 15, 2010). Spirit has been at a sand-trap location called 'Troy' since April 2009.
This map shows the path that NASA's Mars Exploration Rover Spirit followed from the 743rd Martian day (Feb. 4, 2009), or sol, to Sol 2471 (Dec. 15, 2010). Spirit has been at a sand-trap location called 'Troy' since April 2009.

Spirit Traverse Map, Sol 2471

This image, acquired by NASA's Mars Reconnaissance Orbiter, shows the rover Opportunity perched on the edge of 'Concepción' crater, a fresh crater with dark rays that clearly overprint the north-trending, wind-shaped ripples, in Meridiani Planum.
This image, acquired by NASA's Mars Reconnaissance Orbiter, shows the rover Opportunity perched on the edge of 'Concepción' crater, a fresh crater with dark rays that clearly overprint the north-trending, wind-shaped ripples, in Meridiani Planum.

Opportunity at 'Concepción' Crater, Seen from Orbit

This graph based on data from the RAD instrument onboard NASA's Mars Science Laboratory spacecraft shows the flux of energetic particles (vertical axis) as a function of the estimated energy deposited in water (horizontal axis).
This graph based on data from the RAD instrument onboard NASA's Mars Science Laboratory spacecraft shows the flux of energetic particles (vertical axis) as a function of the estimated energy deposited in water (horizontal axis).

Calculating Radiation Dose for Biological Tissue

The north/south trending parallel hills and valleys in this image captured by NASA's 2001 Mars Odyssey spacecraft were created by wind erosion and are called yardangs. These yardangs are located in Zephyria Planum.
The north/south trending parallel hills and valleys in this image captured by NASA's 2001 Mars Odyssey spacecraft were created by wind erosion and are called yardangs. These yardangs are located in Zephyria Planum.

Yardangs

This map shows where NASA's Mars rover Curiosity landed in August 2012 at 'Bradbury Landing.' All of these features are inside Gale Crater. Curiosity's next major destination, the entry point to the base of Mount Sharp.
This map shows where NASA's Mars rover Curiosity landed in August 2012 at 'Bradbury Landing.' All of these features are inside Gale Crater. Curiosity's next major destination, the entry point to the base of Mount Sharp.

From 'Glenelg' to Mount Sharp

The sand dunes in this image from NASA's 2001 Mars Odyssey spacecraft are located on the floor of Hargraves Crater.
The sand dunes in this image from NASA's 2001 Mars Odyssey spacecraft are located on the floor of Hargraves Crater.

Hargraves Crater Dunes

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