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This image captured by NASA's 2001 Mars Odyssey spacecraft shows the delta deposit on the floor of Eberswalde Crater.
This image captured by NASA's 2001 Mars Odyssey spacecraft shows the delta deposit on the floor of Eberswalde Crater.

Delta

This image, taken by NASA's Mars Reconnaissance Orbiter, shows the transition between the 'Murray Formation,' in which layers are poorly expressed and difficult to trace from orbit, and the hematite ridge, which is made up of continuous layers.
This image, taken by NASA's Mars Reconnaissance Orbiter, shows the transition between the 'Murray Formation,' in which layers are poorly expressed and difficult to trace from orbit, and the hematite ridge, which is made up of continuous layers.

Geological Transition

Numerous dark slope streaks are located on the inner rim of this unnamed crater in Terra Sabaea. This image is from NASA's 2001 Mars Odyssey spacecraft.
Numerous dark slope streaks are located on the inner rim of this unnamed crater in Terra Sabaea. This image is from NASA's 2001 Mars Odyssey spacecraft.

Dark Slope Streaks

This image shows a portion of Candor Chasma as seen by NASA's 2001 Mars Odyssey spacecraft.
This image shows a portion of Candor Chasma as seen by NASA's 2001 Mars Odyssey spacecraft.

Candor Chasma

This image captured by NASA's 2001 Mars Odyssey spacecraft shows a channel entering a crater in the region called Libya Montes.
This image captured by NASA's 2001 Mars Odyssey spacecraft shows a channel entering a crater in the region called Libya Montes.

Channel

The windstreaks in this image captured by NASA's 2001 Mars Odyssey spacecraft are located on Tharsis volcanic flows east of Pavonis Mons.
The windstreaks in this image captured by NASA's 2001 Mars Odyssey spacecraft are located on Tharsis volcanic flows east of Pavonis Mons.

Windstreaks

Lava flows south of Arsia Mons in Daedalia Planum transition from younger flows with elongated, sinuous morphologies to the northeast, to older, broader lobes and sheet flows to the southwest. This image is from NASA's Mars Reconnaissance Orbiter.
Lava flows south of Arsia Mons in Daedalia Planum transition from younger flows with elongated, sinuous morphologies to the northeast, to older, broader lobes and sheet flows to the southwest. This image is from NASA's Mars Reconnaissance Orbiter.

Overlapping Lobate Lava Flows in Daedalia Planum

The channel at the very top of this image captured by NASA's 2001 Mars Odyssey spacecraft is Olympica Fossae. That and the rest of the channels in this image are likely lava channels.
The channel at the very top of this image captured by NASA's 2001 Mars Odyssey spacecraft is Olympica Fossae. That and the rest of the channels in this image are likely lava channels.

Lava Channels

Does this observation from NASA's Mars Reconnaissance Orbiter show a possible proto-pedestal crater? This crater has a ring trough, but the inner circle around the crater does not appear significantly elevated.
Does this observation from NASA's Mars Reconnaissance Orbiter show a possible proto-pedestal crater? This crater has a ring trough, but the inner circle around the crater does not appear significantly elevated.

Crater with Trough in Utopia Rupes

The ChemCam instrument on NASA's Curiosity Mars rover fired its laser 50 times at its onboard graphite target showing spectral measurements from the first shot, which hit dust on the target, compared to spectral measurements of from the 50th shot.
The ChemCam instrument on NASA's Curiosity Mars rover fired its laser 50 times at its onboard graphite target showing spectral measurements from the first shot, which hit dust on the target, compared to spectral measurements of from the 50th shot.

Dust Detection by Curiosity's ChemCam

The dunes in this image captured by NASA's Mars Odyssey spacecraft are located on the margin of Meroe Patera.
The dunes in this image captured by NASA's Mars Odyssey spacecraft are located on the margin of Meroe Patera.

Meroe Patera Dunes

Some of the most pristine volcanic flows on Mars are from Arsia Mons as shown in this image captured by NASA's Mars Odyssey.
Some of the most pristine volcanic flows on Mars are from Arsia Mons as shown in this image captured by NASA's Mars Odyssey.

Arsia Mons Flows

Eridania is the name of topographically enclosed basin located in the Southern highlands of Mars that has been suggested to be the site of a large ancient lake or inland sea. This image is from NASA's Mars Reconnaissance Orbiter.
Eridania is the name of topographically enclosed basin located in the Southern highlands of Mars that has been suggested to be the site of a large ancient lake or inland sea. This image is from NASA's Mars Reconnaissance Orbiter.

Chaos in Eridania Basin

This observation from NASA's Mars Reconnaissance Orbiter shows one of the first close HiRISE views of the enigmatic Valles Marineris interior layered deposits.
This observation from NASA's Mars Reconnaissance Orbiter shows one of the first close HiRISE views of the enigmatic Valles Marineris interior layered deposits.

Sandstone Cliffs and Hematite Lag Deposits of Ophir Mensa

The channels in this image captured by NASA's 2001 Mars Odyssey spacecraft are draining the northeastern margin of Tempe Terra.
The channels in this image captured by NASA's 2001 Mars Odyssey spacecraft are draining the northeastern margin of Tempe Terra.

Tempe Terra

This image from NASA's 2001 Mars Odyssey spacecraft shows dark markings mar the surface of Mars' northern plains. While many may be the tracks of dust devils, some marks may be narrow fractures.
This image from NASA's 2001 Mars Odyssey spacecraft shows dark markings mar the surface of Mars' northern plains. While many may be the tracks of dust devils, some marks may be narrow fractures.

Northern Plains

Today's image from NASA's Mars Odyssey is of an unnamed channel in Margaritifer Terra.
Today's image from NASA's Mars Odyssey is of an unnamed channel in Margaritifer Terra.

Channel in Margaritifer Terra

Individual dunes are seen on the floor of Arkhangelsky Crater in Noachis Terra by NASA's Mars Odyssey.
Individual dunes are seen on the floor of Arkhangelsky Crater in Noachis Terra by NASA's Mars Odyssey.

Arkhangelsky Crater Dunes

The action of the wind continues to shape the surface of Mars. This region has been eroded by the wind into parallel hills. This image from NASA's Mars Odyssey was captured on Sept. 6, 2010.
The action of the wind continues to shape the surface of Mars. This region has been eroded by the wind into parallel hills. This image from NASA's Mars Odyssey was captured on Sept. 6, 2010.

Wind Erosion

Ituxi Vallis is a lava channel located on the eastern side of Elysium Mons in this image captured by NASA's 2001 Mars Odyssey.
Ituxi Vallis is a lava channel located on the eastern side of Elysium Mons in this image captured by NASA's 2001 Mars Odyssey.

Ituxi Vallis

NASA's Mars Exploration Rover Opportunity examined rocks inside an alcove called 'Duck Bay' in the western portion of Victoria Crater. 3D glasses are necessary to view this image.
NASA's Mars Exploration Rover Opportunity examined rocks inside an alcove called 'Duck Bay' in the western portion of Victoria Crater. 3D glasses are necessary to view this image.

'Lyell' Panorama inside Victoria Crater (Stereo)

This panorama image of NASA's Phoenix Mars Lander's solar panel and the lander's Robotic Arm with a sample in the scoop. The image was taken just before the sample was delivered to the Optical Microscope.
This panorama image of NASA's Phoenix Mars Lander's solar panel and the lander's Robotic Arm with a sample in the scoop. The image was taken just before the sample was delivered to the Optical Microscope.

Panorama of Phoenix's Solar Panel and Robotic Arm

This diagram illustrates how the Dynamic Albedo of Neutrons (DAN) instrument on NASA's Curiosity Mars rover detects hydrogen in the ground beneath the rover.
This diagram illustrates how the Dynamic Albedo of Neutrons (DAN) instrument on NASA's Curiosity Mars rover detects hydrogen in the ground beneath the rover.

Physics of How DAN on Curiosity Checks for Water, Part 2

This image from NASA's Mars Reconnaissance Orbiter (MRO) is part of simulated flyover showing rhythmic layers of sedimentary rock inside Becquerel crater on Mars.
This image from NASA's Mars Reconnaissance Orbiter (MRO) is part of simulated flyover showing rhythmic layers of sedimentary rock inside Becquerel crater on Mars.

Flyover Animation of Becquerel Crater on Mars

The numerous valleys in this image captured by NASA's 2001 Mars Odyssey spacecra are dissecting part of Aonia Terra.
The numerous valleys in this image captured by NASA's 2001 Mars Odyssey spacecra are dissecting part of Aonia Terra.

Valley Networks

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