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This is a three-dimensional stereo anaglyph of an image taken by the front hazard-identification camera onboard NASA's Mars Exploration Rover Opportunity, showing the rover's arm in its extended position. 3D glasses are necessary to view this image.
This is a three-dimensional stereo anaglyph of an image taken by the front hazard-identification camera onboard NASA's Mars Exploration Rover Opportunity, showing the rover's arm in its extended position. 3D glasses are necessary to view this image.

Opportunity Stretches Out (3-D)

This 3-D image captured by NASA's Mars Exploration Rover Opportunity's rear hazard-identification camera shows the now-empty lander that carried the rover 283 million miles to Meridiani Planum, Mars. 3D glasses are necessary to view this image.
This 3-D image captured by NASA's Mars Exploration Rover Opportunity's rear hazard-identification camera shows the now-empty lander that carried the rover 283 million miles to Meridiani Planum, Mars. 3D glasses are necessary to view this image.

Vacant Lander in 3-D

This sweeping look at the unusual rock outcropping near NASA's Mars Exploration Rover Opportunity. 3D glasses are necessary to view this image.
This sweeping look at the unusual rock outcropping near NASA's Mars Exploration Rover Opportunity. 3D glasses are necessary to view this image.

Not of this Earth

This high-resolution image shows a computer-generated model of Spirit's lander at Gusev Crater as engineers and scientists would have expected to see it from a perfect overhead view.
This high-resolution image shows a computer-generated model of Spirit's lander at Gusev Crater as engineers and scientists would have expected to see it from a perfect overhead view.

Behold Spirit

The predominant feature in this image from NASA's Mars Odyssey spacecraft is a large flooded crater. Are the flows lava or mud? Scientists don't agree.
The predominant feature in this image from NASA's Mars Odyssey spacecraft is a large flooded crater. Are the flows lava or mud? Scientists don't agree.

Western Amazonis Flow Features and Crater Interaction

Amidst the hummocky topography produced by the ejecta from Lyot crater, smooth patches of material fill shallow depressions in this NASA Mars Odyssey image.
Amidst the hummocky topography produced by the ejecta from Lyot crater, smooth patches of material fill shallow depressions in this NASA Mars Odyssey image.

Is It Snow?

Streamlined buttes and mesas are left as remnants of an erosive wind that has carried away sediments and even the rim of a small crater in this image from NASA's Mars Odyssey spacecraft.
Streamlined buttes and mesas are left as remnants of an erosive wind that has carried away sediments and even the rim of a small crater in this image from NASA's Mars Odyssey spacecraft.

Erosion and Wind Deposition

The crosscutting relationships observed in this image from NASA's Mars Odyssey spacecraft can be used to determine the relative timing of graben and channel formations.
The crosscutting relationships observed in this image from NASA's Mars Odyssey spacecraft can be used to determine the relative timing of graben and channel formations.

Crosscutting Grabens

The Medusae Fossae formation, seen in this NASA Mars Odyssey image, is an enigmatic pile of eroding sediments that spans over 5,000 km (3,107 miles) in discontinuous masses along the Martian equator.
The Medusae Fossae formation, seen in this NASA Mars Odyssey image, is an enigmatic pile of eroding sediments that spans over 5,000 km (3,107 miles) in discontinuous masses along the Martian equator.

Medusae Fossae Yardangs

Hummocky, textured terrain within lava flows northwest of Pavonis Mons, one of the Tharsis volcanoes, is shown in this image from NASA's Mars Odyssey spacecraft.
Hummocky, textured terrain within lava flows northwest of Pavonis Mons, one of the Tharsis volcanoes, is shown in this image from NASA's Mars Odyssey spacecraft.

Textured Terrain

Tall narrow ridges snake between mesas and buttes in this image from NASA's Mars Odyssey. Where one such ridge crosses a flat-topped mesa (in the lower center of the image), the mesa surface is split into two surfaces of different heights.
Tall narrow ridges snake between mesas and buttes in this image from NASA's Mars Odyssey. Where one such ridge crosses a flat-topped mesa (in the lower center of the image), the mesa surface is split into two surfaces of different heights.

Ridges

The circular depressions prevalent throughout this scene from NASA's Mars Odyssey at first glance appear to be craters, but are they? Could they be pits formed by devolatilization? It is not clear. Scientists are studying these features in search of answe
The circular depressions prevalent throughout this scene from NASA's Mars Odyssey at first glance appear to be craters, but are they? Could they be pits formed by devolatilization? It is not clear. Scientists are studying these features in search of answe

Ismenia Fossae: Craters or Pits?

This image from NASA's Mars Odyssey spacecraft shows the Olympica Fossae channel system located east of the Olympus Mons volcano in Tharsis. These anastomosing channels cut numerous lava flows indicating that the channels are younger than the lava flows.
This image from NASA's Mars Odyssey spacecraft shows the Olympica Fossae channel system located east of the Olympus Mons volcano in Tharsis. These anastomosing channels cut numerous lava flows indicating that the channels are younger than the lava flows.

Olympica Fossae

The mottled surface texture and flow features observed in this NASA Mars Odyssey image suggest materials may be, or have been, mixed with ice. There is also evidence in some areas for infilling of sediments as crater rims and ridges appear covered.
The mottled surface texture and flow features observed in this NASA Mars Odyssey image suggest materials may be, or have been, mixed with ice. There is also evidence in some areas for infilling of sediments as crater rims and ridges appear covered.

Surface Erosion and Flow

The small mounds with summit depressions in the northern part of this NASA Mars Odyssey image have an unknown origin. Some scientists think they may be cinder cones, while others think they may be pseudocraters, formed by the interaction of lava and ice.
The small mounds with summit depressions in the northern part of this NASA Mars Odyssey image have an unknown origin. Some scientists think they may be cinder cones, while others think they may be pseudocraters, formed by the interaction of lava and ice.

Acidalia Planitia

Interesting textures on lava flows in Daedalia Planum, southwest of the Tharsis volcanoes, can by observed in this image from NASA's Mars Odyssey spacecraft.
Interesting textures on lava flows in Daedalia Planum, southwest of the Tharsis volcanoes, can by observed in this image from NASA's Mars Odyssey spacecraft.

Daedalia Planum

This image from NASA's Mars Odyssey spacecraft shows a flooded crater in Amazonis Planitia. This crater has been either flooded with mud and or lava. The fluid then ponded up, dried and formed the surface textures we see today.
This image from NASA's Mars Odyssey spacecraft shows a flooded crater in Amazonis Planitia. This crater has been either flooded with mud and or lava. The fluid then ponded up, dried and formed the surface textures we see today.

Flooded Crater

In this image from NASA's Mars Odyssey spacecraft showing a location about 1,000 km (620 miles) west of the massive Elysium volcanic complex, a system of branching troughs shows a continuum of features that provides clues to its origin.
In this image from NASA's Mars Odyssey spacecraft showing a location about 1,000 km (620 miles) west of the massive Elysium volcanic complex, a system of branching troughs shows a continuum of features that provides clues to its origin.

Hebrus Valles

The eroded, layered deposit in this NASA Mars Odyssey image of Gale Crater is a mound of material rising 3 km (about 2 miles) above the crater floor. It has been sculpted by wind and possibly water to produce the dramatic landforms seen today.
The eroded, layered deposit in this NASA Mars Odyssey image of Gale Crater is a mound of material rising 3 km (about 2 miles) above the crater floor. It has been sculpted by wind and possibly water to produce the dramatic landforms seen today.

Gale Crater Mound

In this image from NASA's Mars Odyssey, eroded mesas and secondary craters dot the landscape in an area of Cydonia Mensae. The single oval-shaped crater displays a 'butterfly' ejecta pattern, indicating that the crater formed from a low-angle impact.
In this image from NASA's Mars Odyssey, eroded mesas and secondary craters dot the landscape in an area of Cydonia Mensae. The single oval-shaped crater displays a 'butterfly' ejecta pattern, indicating that the crater formed from a low-angle impact.

Cydonia Craters

The floor of the crater in this NASA Mars Odyssey image displays interesting textures and it appears to have been flooded by some type of material. It is unclear if this material was fluvially emplaced mud (hyperconcentrated flows) or lava.
The floor of the crater in this NASA Mars Odyssey image displays interesting textures and it appears to have been flooded by some type of material. It is unclear if this material was fluvially emplaced mud (hyperconcentrated flows) or lava.

Flooded Crater in Terra Sirenum

Pavonis Mons is the middle of the three large volcanoes on the Tharsis bulge. This image from NASA's Mars Odyssey spacecraft covers the edge of the volcano's caldera. Outside of the caldera, numerous lava flows and impact craters can be seen.
Pavonis Mons is the middle of the three large volcanoes on the Tharsis bulge. This image from NASA's Mars Odyssey spacecraft covers the edge of the volcano's caldera. Outside of the caldera, numerous lava flows and impact craters can be seen.

Pavonis Mons Caldera

Just north of the hematite deposit in Meridiani Planum, the remnants of a formerly extensive layer of material remain as isolated knobs and buttes in this image from NASA's Mars Odyssey spacecraft.
Just north of the hematite deposit in Meridiani Planum, the remnants of a formerly extensive layer of material remain as isolated knobs and buttes in this image from NASA's Mars Odyssey spacecraft.

Martian Braille

Dunes in the Vastitas Borealis region of Mars are seen in this image from NASA's Mars Odyssey spacecraft. These sand seas migrate around the north polar cap following the strong polar vortex winds.
Dunes in the Vastitas Borealis region of Mars are seen in this image from NASA's Mars Odyssey spacecraft. These sand seas migrate around the north polar cap following the strong polar vortex winds.

Polar Dunes

The smooth plains of Elysium embay the blocky broken up highlands of Aeolis in this image from NASA's Mars Odyssey spacecraft. The plains have been interpreted by researchers to be possibly mudflows or lava flows.
The smooth plains of Elysium embay the blocky broken up highlands of Aeolis in this image from NASA's Mars Odyssey spacecraft. The plains have been interpreted by researchers to be possibly mudflows or lava flows.

Highland/Lowland contact

Currently displaying images 2451-2475 of 2623
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