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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

In this image from NASA's Mars Mars Reconnaissance Orbiter, we can see quite a spectacular layering pattern inside an impact crater called Spallanzani.
In this image from NASA's Mars Mars Reconnaissance Orbiter, we can see quite a spectacular layering pattern inside an impact crater called Spallanzani.

Layering in Spallanzani 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 an unnamed crater in Terra Cimmeria.
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 an unnamed crater in Terra Cimmeria.

Crater - False Color

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 Coprates Chasma.
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 Coprates Chasma.

Coprates Chasma - False Color

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

This image captured by NASA's 2001 Mars Odyssey spacecraft shows windstreaks on the lava flows of Daedalia Planum. The 'tail' behind the crater indicates winds blew from east to west.
This image captured by NASA's 2001 Mars Odyssey spacecraft shows windstreaks on the lava flows of Daedalia Planum. The 'tail' behind the crater indicates winds blew from east to west.

Windstreaks

This highly tectonized terrain (meaning it possesses many faults), as seen by NASA's Mars Reconnaissance Orbiter, has its low-lying areas filled with some form of younger material.
This highly tectonized terrain (meaning it possesses many faults), as seen by NASA's Mars Reconnaissance Orbiter, has its low-lying areas filled with some form of younger material.

Embayment in Tectonized Fluvial Terrain

NASA's Mars Reconnaissance Orbiter's HiRISE, with its high resolution and eight years in orbit about Mars, has shown that many dunes and ripples on the planet are active.
NASA's Mars Reconnaissance Orbiter's HiRISE, with its high resolution and eight years in orbit about Mars, has shown that many dunes and ripples on the planet are active.

Hardened Dunes in Arcadia Planitia

This image from NASA's 2001 Mars Odyssey spacecraft is of Apollineris Mons, which shows erosion of the materials on it's southern flank.
This image from NASA's 2001 Mars Odyssey spacecraft is of Apollineris Mons, which shows erosion of the materials on it's southern flank.

Apollinaris Mons

This image captured by NASA's 2001 Mars Odyssey spacecraft shows an unnamed channel located on the northwest margin of Arabia Terra.
This image captured by NASA's 2001 Mars Odyssey spacecraft shows an unnamed channel located on the northwest margin of Arabia Terra.

Channel

Dark slope streaks mark many of the hills in this image captured by NASA's 2001 Mars Odyssey spacecraft. This region of hills is called Tartarus Colles. The term colles means small hills or knobs.
Dark slope streaks mark many of the hills in this image captured by NASA's 2001 Mars Odyssey spacecraft. This region of hills is called Tartarus Colles. The term colles means small hills or knobs.

Tartarus Colles

The surface textures located southeast of Aeolis Planum likely had wind action as one of the contributing processes, as shown by NASA's 2001 Mars Odyssey spacecraft.
The surface textures located southeast of Aeolis Planum likely had wind action as one of the contributing processes, as shown by NASA's 2001 Mars Odyssey spacecraft.

Surface Textures

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