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Addition DateSort Ascending Target Mission Instrument Size
Add Image to Favorite List 2014-12-11 Mars 2001 Mars Odyssey
THEMIS
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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 captured by NASA's 2001 Mars Odyssey spacecraft shows part of Coprates Chasma.
PIA18979:
Coprates Chasma - False Color
Full Resolution:     TIFF (2.713 MB)     JPEG (59.75 kB)
Add Image to Favorite List 2014-12-10 Mars Mars Reconnaissance Orbiter (MRO)
HiRISE
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This closeup from NASA's Mars Reconnaissance Orbiter covers a region in the Eridania Basin that shows interesting inverted ridges.
PIA19119:
Inverted Ridges in the Eridania Basin
Full Resolution:     TIFF (15.56 MB)     JPEG (923.3 kB)
Add Image to Favorite List 2014-12-10 Mars Mars Reconnaissance Orbiter (MRO)
HiRISE
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Juventae Chasma is a giant box canyon, yet a relatively small segment of the enormous Valles Marineris system, seen here by NASA's Mars Reconnaissance Orbiter.
PIA19118:
Recurring Slope Lineae in Juventae Chasma
Full Resolution:     TIFF (15.56 MB)     JPEG (1.026 MB)
Add Image to Favorite List 2014-12-10 Mars Mars Reconnaissance Orbiter (MRO)
HiRISE
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The frosted gullies in this observation from NASA's Mars Reconnaissance Orbiter are located along an irregularly shaped pit which lies within an impact crater in Sisyphi Planum ocated northwards of the Southern polar layered deposits.
PIA19117:
Frosted Gullies in a Central Pit
Full Resolution:     TIFF (15.56 MB)     JPEG (922.7 kB)
Add Image to Favorite List 2014-12-10 Mars Mars Reconnaissance Orbiter (MRO)
HiRISE
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This image from NASA's Mars Reconnaissance Orbiter shows Morava Valles, a small outflow channel in the Margaritifer Sinus region of Mars.
PIA19116:
Seeing Beneath the Surface in Morava Valles
Full Resolution:     TIFF (15.56 MB)     JPEG (986.2 kB)
Add Image to Favorite List 2014-12-10 Mars 2001 Mars Odyssey
THEMIS
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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 captured by NASA's 2001 Mars Odyssey spacecraft shows part of Coprates Chasma.
PIA18978:
Coprates Chasma - False Color
Full Resolution:     TIFF (2.707 MB)     JPEG (74.26 kB)
Add Image to Favorite List 2014-12-09 Mars 2001 Mars Odyssey
THEMIS
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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 captured by NASA's 2001 Mars Odyssey spacecraft shows part of Melas Chasma.
PIA18977:
Melas Chasma - False Color
Full Resolution:     TIFF (2.705 MB)     JPEG (93.03 kB)
Add Image to Favorite List 2014-12-08 Mars Mars Science Laboratory (MSL)
Mastcam
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Cross-bedding seen in the layers of this Martian rock is evidence of movement of water recorded by the waves or ripples of loose sediment the water passed over, such as a current in a lake. This image is from NASA's Curiosity Mars rover.
PIA19081:
Martian Rock's Evidence of Lake Currents
Full Resolution:     TIFF (7.236 MB)     JPEG (399.7 kB)
Add Image to Favorite List 2014-12-08 Mars Mars Science Laboratory (MSL)
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This simulation depicts a lake partially filling Mars' Gale Crater, receiving runoff from snow melting on the crater's rim, showing evidence that NASA's Curiosity rover has found ancient streams, deltas and lakes.
PIA19080:
Simulated View of Gale Crater Lake on Mars
Full Resolution:     TIFF (12.29 MB)     JPEG (271.9 kB)
Add Image to Favorite List 2014-12-08 Mars Mars Science Laboratory (MSL)
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This image depicts how a mountain inside a Mars' Gale Crater might have formed. At left, the crater fills with layers of sediment. Yellow is for deposits in alluvial fans, deltas, and drifts during both wet and dry periods.
PIA19079:
Sedimentation and Erosion in Gale Crater, Mars
Full Resolution:     TIFF (15.42 MB)     JPEG (190.5 kB)
Add Image to Favorite List 2014-12-08 Mars Mars Science Laboratory (MSL)
MAHLI
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Lozenge-shaped crystals are evident in this magnified view of a Martian rock target called 'Mojave,' taken on Nov. 15, 2014, by NASA's Curiosity Mars rover. These features record concentration of dissolved salts, possibly in a drying lake.
PIA19077:
Crystals May Have Formed in Drying Martian Lake
Full Resolution:     TIFF (26.02 MB)     JPEG (1.59 MB)
Add Image to Favorite List 2014-12-08 Mars Mars Science Laboratory (MSL)
Mastcam
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This view from the NASA's Curiosity Mars rover shows an example of cross-bedding that results from water passing over a loose bed of sediment. It was taken at a target called 'Whale Rock' within the 'Pahrump Hills' outcrop at the base of Mount Sharp.
PIA19076:
Cross-Bedding at 'Whale Rock'
Full Resolution:     TIFF (23.19 MB)     JPEG (1.06 MB)
Add Image to Favorite List 2014-12-08 Mars Mars Science Laboratory (MSL)
Mastcam
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This image from NASA's Curiosity Mars rover shows an example of a thin-laminated, evenly stratified rock type that occurs in the 'Pahrump Hills' outcrop at the base of Mount Sharp on Mars. This type of rock can form under a lake.
PIA19075:
Thin-Laminated Rock in 'Pahrump Hills' Outcrop
Full Resolution:     TIFF (7.23 MB)     JPEG (448.2 kB)
Add Image to Favorite List 2014-12-08 Mars Mars Science Laboratory (MSL)
Mastcam
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This evenly layered rock photographed by the Mast Camera (Mastcam) on NASA's Curiosity Mars Rover on Aug. 7, 2014, shows a pattern typical of a lake-floor sedimentary deposit not far from where flowing water entered a lake.
PIA19074:
Sedimentary Signs of a Martian Lakebed
Full Resolution:     TIFF (5.528 MB)     JPEG (276.3 kB)
Add Image to Favorite List 2014-12-08 Mars Mars Science Laboratory (MSL)
Mastcam
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This image shows inclined beds characteristic of delta deposits where a stream entered a lake, but at a higher elevation and farther south than other delta deposits north of Mount Sharp.
PIA19072:
Sol 696 (July 22, 2014), Left
Full Resolution:     TIFF (7.682 MB)     JPEG (515.2 kB)
Add Image to Favorite List 2014-12-08 Mars Mars Science Laboratory (MSL)
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This diagram depicts rivers entering a lake. Where the water's flow decelerates, sediments drop out, and a delta forms, depositing a prism of sediment that tapers out toward the lake's interior.
PIA19071:
How a Delta Forms Where River Meets Lake
Full Resolution:     TIFF (6.247 MB)     JPEG (112.7 kB)
Add Image to Favorite List 2014-12-08 Mars Mars Science Laboratory (MSL)
Mastcam
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This image from Curiosity's Mastcam looks to the west of a waypoint on the rover's route to Mount Sharp. The mountain lies to the left of the scene.
PIA19070:
Sets of Beds Inclined Toward Mount Sharp
Full Resolution:     TIFF (38.39 MB)     JPEG (2.709 MB)
Add Image to Favorite List 2014-12-08 Mars Mars Science Laboratory (MSL)
Mastcam
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On March 25, 2014, view from the Mastcam on NASA's Curiosity Mars rover looks southward at the Kimberley waypoint. Multiple sandstone beds show systematic inclination to the south suggesting progressive build-out of delta sediments.
PIA19069:
Bedding Pattern Interpreted as Martian Delta Deposition
Full Resolution:     TIFF (14.31 MB)     JPEG (1.16 MB)
Add Image to Favorite List 2014-12-08 Mars Mars Science Laboratory (MSL)
Mastcam
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This image from Curiosity's Mastcam shows inclined beds of sandstone interpreted as the deposits of small deltas fed by rivers flowing down from the Gale Crater rim and building out into a lake where Mount Sharp is now.
PIA19068:
Inclined Martian Sandstone Beds Near 'Kimberley'
Full Resolution:     TIFF (23.85 MB)     JPEG (1.665 MB)
Add Image to Favorite List 2014-12-08 Mars Mars Reconnaissance Orbiter (MRO)
Mars Science Laboratory (MSL)
HiRISE
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This map shows the route driven by NASA's Curiosity Mars rover from the location where it landed in August 2012 to the 'Pahrump Hills' outcrop at the base of Mount Sharp.
PIA19067:
Curiosity Mars Rover's Route from Landing to Base of Mount Sharp
Full Resolution:     TIFF (25.26 MB)     JPEG (1.381 MB)
Add Image to Favorite List 2014-12-08 Mars 2001 Mars Odyssey
THEMIS
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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 captured by NASA's 2001 Mars Odyssey spacecraft shows part of Hebes Chasma.
PIA18975:
Hebes Chasma - False Color
Full Resolution:     TIFF (2.739 MB)     JPEG (102.5 kB)
Add Image to Favorite List 2014-12-05 Mars 2001 Mars Odyssey
THEMIS
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This image captured by NASA's 2001 Mars Odyssey spacecraft shows one of many troughs located on the polar cap.
PIA18973:
Polar Trough
Full Resolution:     TIFF (2.572 MB)     JPEG (354.9 kB)
Add Image to Favorite List 2014-12-04 Mars 2001 Mars Odyssey
THEMIS
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The layers in this image captured by NASA's 2001 Mars Odyssey spacecraft are near the margin of the south polar cap.
PIA18972:
South Polar Layers
Full Resolution:     TIFF (2.631 MB)     JPEG (314.7 kB)
Add Image to Favorite List 2014-12-03 Mars 2001 Mars Odyssey
THEMIS
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This false color image captured by NASA's 2001 Mars Odyssey spacecraft shows part of the summit caldera of Arsia Mons. The mottled bluish tones are from clouds.
PIA18970:
Arsia Mons False Color
Full Resolution:     TIFF (4.913 MB)     JPEG (85.22 kB)
Add Image to Favorite List 2014-12-03 Mars Mars Reconnaissance Orbiter (MRO)
HiRISE
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This image from NASA's Mars Reconnaissance Orbiter shows exposures of deposits along the plateau just to the south of Coprates Chasma.
PIA18933:
Clays along the Coprates Chasma Plateau
Full Resolution:     TIFF (15.56 MB)     JPEG (1.023 MB)
Add Image to Favorite List 2014-12-03 Mars Mars Reconnaissance Orbiter (MRO)
HiRISE
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The Athabasca region contains some of the youngest lava flows on Mars. This looks like a circular island surrounded by a 'sea' of smooth-looking lava flows. This image was observed by NASA's Mars Reconnaissance Orbiter.
PIA18932:
An Enigmatic Feature in Athabasca Lava Flows
Full Resolution:     TIFF (5.191 MB)     JPEG (552.5 kB)
Add Image to Favorite List 2014-12-03 Mars Mars Reconnaissance Orbiter (MRO)
HiRISE
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Arabia Terra is one of the more dusty regions on Mars, where ever-falling red dust covers the surface allowing only minor variations in color and tone as seen by NASA's Mars Reconnaissance Orbiter.
PIA18931:
Dunes and Wind Streaks in Arabia Terra
Full Resolution:     TIFF (15.56 MB)     JPEG (683.5 kB)
Add Image to Favorite List 2014-12-03 Mars Mars Reconnaissance Orbiter (MRO)
HiRISE
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Transverse aeolian ridges (TARs) are commonly found throughout the Martian tropics, including rocky regions such as Syrtis Major that are largely devoid of dust as seen by NASA's Mars Reconnaissance Orbiter.
PIA18930:
Braided TARs in Syrtis Major
Full Resolution:     TIFF (15.56 MB)     JPEG (831.4 kB)
Add Image to Favorite List 2014-12-02 Mars 2001 Mars Odyssey
THEMIS
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This false color image from NASA's 2001 Mars Odyssey spacecraft covers part of Noctis Labyrinthus. The bluish tone in the lower elevation depressions may indicate atmospheric haze.
PIA18969:
Noctis Labyrinthus False Color
Full Resolution:     TIFF (4.984 MB)     JPEG (85.72 kB)
Add Image to Favorite List 2014-12-01 Mars 2001 Mars Odyssey
THEMIS
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This false color image captured by NASA's 2001 Mars Odyssey spacecraft shows part of Claritas Fossae.
PIA18963:
Claritas Fossae False Color
Full Resolution:     TIFF (5.128 MB)     JPEG (118.2 kB)
Add Image to Favorite List 2014-11-28 Mars 2001 Mars Odyssey
THEMIS
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This image from NASA's 2001 Mars Odyssey spacecraft shows a false color image of the region including both Tithonium and Ius Chasmata, which includes a bluish region in both canyons. This may indicate an atmospheric haze.
PIA18962:
Tithonium and Ius Chasmata False Color
Full Resolution:     TIFF (5.01 MB)     JPEG (97.03 kB)
Add Image to Favorite List 2014-11-27 Mars 2001 Mars Odyssey
THEMIS
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This image from NASA's 2001 Mars Odyssey spacecraft is a false color image of part of the northern flank of Ascreaus Mons. The bluish section at the top of the image may indicate an atmospheric haze.
PIA18961:
False Color Ascraeus Mons
Full Resolution:     TIFF (5.053 MB)     JPEG (120.9 kB)
Add Image to Favorite List 2014-11-26 Mars 2001 Mars Odyssey
THEMIS
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Clouds fill half of this unnamed crater located in the region between Malea Planum and Hellas Planitia, as shown in this image from NASA's 2001 Mars Odyssey spacecraft.
PIA18960:
Clouds
Full Resolution:     TIFF (3.7 MB)     JPEG (180.9 kB)
Add Image to Favorite List 2014-11-25 Mars Mars Science Laboratory (MSL)
Mastcam
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This view from ASA's Curiosity Mars rover shows a swath of bedrock called 'Alexander Hills,' which the rover approached for close-up inspection of selected targets. It is a mosaic of six frames taken on Nov. 23, 2014.
PIA19066:
Within Rover's Reach at Mars Target Area 'Alexander Hills'
Full Resolution:     TIFF (35.19 MB)     JPEG (1.442 MB)
Add Image to Favorite List 2014-11-25 Mars 2001 Mars Odyssey
THEMIS
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The linear graben in this image from NASA's 2001 Mars Odyssey spacecraft are part of Claritas Fossae.
PIA18959:
Claritas Fossae
Full Resolution:     TIFF (944.6 kB)     JPEG (109.6 kB)
Add Image to Favorite List 2014-11-24 Mars 2001 Mars Odyssey
THEMIS
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This image captured by NASA's 2001 Mars Odyssey spacecraft illustrates the complex surface of the polar cap, featuring not just different surface textures, but ridges and valleys as well.
PIA18957:
South Polar Cap
Full Resolution:     TIFF (2.556 MB)     JPEG (340.6 kB)
Add Image to Favorite List 2014-11-21 Mars 2001 Mars Odyssey
THEMIS
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The linear features in this image from NASA's 2001 Mars Odyssey spacecraft are graben (fault bounded depressions). The graben are part of Sirenum Fossae.
PIA18956:
Sirenum Fossae
Full Resolution:     TIFF (3.55 MB)     JPEG (447.7 kB)
Add Image to Favorite List 2014-11-20 Mars 2001 Mars Odyssey
THEMIS
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This image of the south polar cap captured by NASA's 2001 Mars Odyssey spacecraft shows many different surface textures as well as layering.
PIA18955:
South Polar Textures
Full Resolution:     TIFF (2.599 MB)     JPEG (298.4 kB)
Add Image to Favorite List 2014-11-19 Mars 2001 Mars Odyssey
THEMIS
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This image captured by NASA's 2001 Mars Odyssey spacecraft shows a small section of Reull Vallis.
PIA18954:
Reull Vallis
Full Resolution:     TIFF (3.557 MB)     JPEG (358 kB)
Add Image to Favorite List 2014-11-18 Mars Mars Science Laboratory (MSL)
Navcam (MSL)
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This northeast-facing view from the lower edge of the pale 'Pahrump Hills' outcrop at the base of Mount Sharp includes wind-sculpted ripples of sand and dust in the middle ground. It was taken by Curiosity's Navcam on Nov. 13, 2014.
PIA18883:
Ripples Beside 'Pahrump Hills' Outcrop at Base of Mount Sharp
Full Resolution:     TIFF (1.05 MB)     JPEG (179.2 kB)
Add Image to Favorite List 2014-11-18 Mars Mars Science Laboratory (MSL)
Mastcam
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A wheel track cuts through a windblown ripple of dusty sand in this Nov. 7, 2014, image from the Mastcam on NASA's Curiosity rover. The view spans about four feet across.
PIA18882:
Ripple's Interior Exposed by Rover Wheel Track
Full Resolution:     TIFF (61.52 MB)     JPEG (2.514 MB)
Add Image to Favorite List 2014-11-18 Mars Mars Science Laboratory (MSL)
Mastcam
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This patch of Martian bedrock, about 2 feet (70 centimeters) across, is finely layered rock with some pea-size inclusions. It lies near the lowest point of the 'Pahrump Hills' outcrop, which forms part of the basal layer of Mount Sharp.
PIA18881:
Fine-Grained, Finely Layered Rock at Base of Martian Mount Sharp
Full Resolution:     TIFF (35.19 MB)     JPEG (1.45 MB)
Add Image to Favorite List 2014-11-18 Mars Mars Science Laboratory (MSL)
Mastcam
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This small ridge, about 3 feet long, appears to resist wind erosion more than the flatter plates around it. Such differences are among the traits NASA's Curiosity Mars rover is examining at selected rock targets at the base of Mount Sharp.
PIA18880:
Erosion Resistance at 'Pink Cliffs' at Base of Martian Mount Sharp
Full Resolution:     TIFF (13.81 MB)     JPEG (1.094 MB)
Add Image to Favorite List 2014-11-18 Mars Mars Exploration Rover (MER)
Microscopic Imager
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This close-up view of a target rock called 'Last Chance' was acquired by NASA's Mars rover Opportunity on March 3, 2004 of Opportunity's work on Mars. The embedded spherules evident in this image were nicknamed 'blueberries.
PIA18885:
Clues to Wet History in Texture of a Martian Rock
Full Resolution:     TIFF (1.884 MB)     JPEG (198.2 kB)
Add Image to Favorite List 2014-11-18 Mars 2001 Mars Odyssey
THEMIS
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The linear graben in this image from NASA's 2001 Mars Odyssey spacecraft are all part of Claritas Fossae.
PIA18953:
Claritas Fossae
Full Resolution:     TIFF (3.528 MB)     JPEG (331.9 kB)
Add Image to Favorite List 2014-11-17 Mars 2001 Mars Odyssey
THEMIS
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Numerous channels dissect the rim of Lohse Crater, as shown in this image captured by NASA's 2001 Mars Odyssey spacecraft.
PIA18952:
Lohse Crater
Full Resolution:     TIFF (3.579 MB)     JPEG (276.6 kB)
Add Image to Favorite List 2014-11-14 Mars 2001 Mars Odyssey
THEMIS
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The numerous small depressions seen in this image captured by NASA's 2001 Mars Odyssey spacecraft of the south polar cap are informally called swiss cheese.
PIA18949:
South Polar Textures
Full Resolution:     TIFF (679.4 kB)     JPEG (179.1 kB)
Add Image to Favorite List 2014-11-13 Mars Mars Reconnaissance Orbiter (MRO)
HiRISE
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A significant event has occurred in Inca City. The layer of seasonal ice has started to develop long cracks as evidenced by NASA's Mars Reconnaissance Orbiter.
PIA18896:
Spring in Inca City V
Full Resolution:     TIFF (15.56 MB)     JPEG (452.8 kB)
Add Image to Favorite List 2014-11-13 Mars Mars Reconnaissance Orbiter (MRO)
HiRISE
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At certain times in spring, fans take on a gray or blue appearance. This is the time in Inca City when this phenomenon happens, as seen in this image acquired by NASA's Mars Reconnaissance Orbiter.
PIA18895:
Spring in Inca City IV
Full Resolution:     TIFF (15.56 MB)     JPEG (667.2 kB)
Add Image to Favorite List 2014-11-13 Mars Mars Reconnaissance Orbiter (MRO)
HiRISE
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This image, acquired by NASA's Mars Reconnaissance Orbiter, shows there are a few more fans on the ridge as spring activity progresses in Inca City.
PIA18894:
Spring in Inca City III
Full Resolution:     TIFF (15.56 MB)     JPEG (730.6 kB)
Add Image to Favorite List 2014-11-13 Mars Mars Reconnaissance Orbiter (MRO)
HiRISE
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The season is officially spring on Mars in Inca City. This image was acquired by NASA's Mars Reconnaissance Orbiter. Large blotches of dust cover the araneiforms.
PIA18893:
Spring in Inca City II
Full Resolution:     TIFF (15.56 MB)     JPEG (680.1 kB)
Add Image to Favorite List 2014-11-13 Mars Mars Reconnaissance Orbiter (MRO)
HiRISE
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This was the first image to be acquired by NASA's Mars Reconnaissance Orbiter after the sun rose on Inca City, marking the end to polar night. A few fans are visible emerging from the araneiforms.
PIA18892:
Spring in Inca City I
Full Resolution:     TIFF (15.56 MB)     JPEG (748.4 kB)
Add Image to Favorite List 2014-11-13 Mars 2001 Mars Odyssey
THEMIS
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The large complex channel in the center of this image captured by NASA's 2001 Mars Odyssey spacecraft is called Mangala Valles.
PIA18948:
Mangala Valles
Full Resolution:     TIFF (1.676 MB)     JPEG (99.34 kB)
Add Image to Favorite List 2014-11-12 Mars 2001 Mars Odyssey
THEMIS
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This image captured by NASA's 2001 Mars Odyssey spacecraft shows another portion of Angustus Labyrinthus near the location of yesterday's image.
PIA18947:
Angustus Labyrinthus 2
Full Resolution:     TIFF (700.6 kB)     JPEG (60.94 kB)
Add Image to Favorite List 2014-11-11 Mars 2001 Mars Odyssey
THEMIS
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The intersecting ridges in this image from NASA's 2001 Mars Odyssey spacecraft are part of Angustus Labyrinthus, informally called Inca City.
PIA18942:
Angustus Laybrinthus
Full Resolution:     TIFF (2.641 MB)     JPEG (163.6 kB)
Add Image to Favorite List 2014-11-10 Mars Mars Exploration Rover (MER)
MAVEN
Navigation Camera
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The first demonstration of NASA's MAVEN Mars orbiter's capability to relay data from a Mars surface mission, on Nov. 6, 2014, included this image, taken Oct. 23, 2014, by Curiosity's Navigation Camera, showing part of 'Pahrump Hills' outcrop.
PIA18866:
Image Relayed by MAVEN Mars Orbiter from Curiosity Mars Rover
Full Resolution:     TIFF (1.05 MB)     JPEG (255.2 kB)
Add Image to Favorite List 2014-11-10 Mars 2001 Mars Odyssey
THEMIS
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The hills and depressions in this image captured by NASA's 2001 Mars Odyssey spacecraft are part of Cavi Angusti.
PIA18941:
Cavi Angusti
Full Resolution:     TIFF (2.883 MB)     JPEG (199 kB)
Add Image to Favorite List 2014-11-07 Mars Mars Reconnaissance Orbiter (MRO)
HiRISE
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This frame from an animated artist's rendering begins with NASA's Mars Reconnaissance Orbiter spacecraft above Mars. The movie then transitions to a sequence of HiRISE images of the comet taken as it flew past Mars.
PIA19045:
Mars Orbiter Observes Comet Siding Spring (Animation) Animation Icon
Full Resolution:     TIFF (2.734 MB)     JPEG (36.37 kB)
Add Image to Favorite List 2014-11-07 Mars Mars Reconnaissance Orbiter (MRO)
HiRISE
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This frame from a movie sequence of images from NASA's Mars Reconnaissance Orbiter (MRO) shows comet C/2013 A1 Siding Spring before and after its close pass by Mars in October 2014. False color enhances subtle variations in brightness in the comet's coma.
PIA19044:
Mars-Flyby Comet in False Color Animation Icon
Full Resolution:     TIFF (1.013 MB)     JPEG (77.35 kB)
Add Image to Favorite List 2014-11-07 Mars Mars Reconnaissance Orbiter (MRO)
CRISM
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The Compact Reconnaissance Imaging Spectrometer for Mars (CRISM) aboard NASA's Mars Reconnaissance Orbiter obtained this spectrum for comet C/2013 A1 Siding Spring during the comet's close approach to Mars.
PIA18865:
Mars-Orbiting Spectrometer Shows Dusty Comet's Spectrum
Full Resolution:     TIFF (4.475 MB)     JPEG (94.77 kB)
Add Image to Favorite List 2014-11-07 Mars MAVEN
Imaging Ultraviolet Spectrograph (IUVS)
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This graphic depicts what Mars' atmosphere would have looked like to a viewer with ultraviolet-seeing eyes after a meteor shower on Oct. 19, 2014.
PIA18864:
Emission from Ionized Magnesium in Mars' Atmosphere After Comet Flyby
Full Resolution:     TIFF (6.767 MB)     JPEG (150.6 kB)
Add Image to Favorite List 2014-11-07 Mars Mars Reconnaissance Orbiter (MRO)
HiRISE
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Five images of comet Siding Spring taken within a 35-minute period as it passed near Mars on Oct. 19, 2014, provide information about the size of the comet's nucleus. The images were acquired by the HiRISE camera on NASA's Mars Reconnaissance Orbiter.
PIA18863:
Mars Orbiter Sizes Up Passing Comet
Full Resolution:     TIFF (1.911 MB)     JPEG (66.52 kB)
Add Image to Favorite List 2014-11-07 Mars Mars Reconnaissance Orbiter (MRO)
HiRISE
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This graph shows changes in apparent brightness of comet C/2013 A1 Siding Spring as it approached and receded from Mars, as seen by the HiRISE camera on NASA's Mars Reconnaissance Orbiter. The pattern suggests the comet rotates once every eight hours.
PIA18862:
Brightness Rhythm of Mars Flyby Comet Is Clue to Rotation Rate
Full Resolution:     TIFF (759 kB)     JPEG (58.15 kB)
Add Image to Favorite List 2014-11-07 Mars Mars Reconnaissance Orbiter (MRO)
Shallow Subsurface Radar (SHARAD)
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A comparison of two radargrams from the SHARAD instrument on NASA's Mars Reconnaissance Orbiter shows effects on the Martian ionosphere from the close passage of a comet.
PIA18861:
Radar Indication of Effect of Comet Flyby on Martian Ionosphere
Full Resolution:     TIFF (4.714 MB)     JPEG (192.9 kB)
Add Image to Favorite List 2014-11-07 Mars Mars Express (MEX)
Mars Advanced Radar for Subsurface and Ionosphere Sounding (MARSIS)
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These plots portray data from radar sounding of Mars' mid-latitude ionosphere at three times on Oct. 19 and 20, 2014. The data are from the MARSIS instrument on the European Space Agency's Mars Express orbiter.
PIA18860:
Change in Mars' Mid-Latitude Ionosphere After Comet Flyby
Full Resolution:     TIFF (15.23 MB)     JPEG (494.5 kB)
Add Image to Favorite List 2014-11-07 Mars Mars Express (MEX)
Mars Advanced Radar for Subsurface and Ionosphere Sounding (MARSIS)
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These spectrograms from the MARSIS instrument on the European Space Agency's Mars Express orbiter show the intensity of radar echo in Mars' far-northern ionosphere at three times on Oct. 19 and 20, 2014.
PIA18859:
Radar-Detected Change in Martian Near-Polar Ionosphere After Comet's Flyby
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Add Image to Favorite List 2014-11-07 Mars MAVEN
Neutral Gas and Ion Mass Spectrometer
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These eight graphs present data from the Neutral Gas and Ion Mass Spectrometer on NASA's MAVEN orbiter identifying ions of different metals added to the Martian atmosphere shortly after comet C/2013 A1 Siding Spring sped close to Mars.
PIA18858:
Ions of Eight Metals from Comet Dust Detected in Mars Atmosphere
Full Resolution:     TIFF (17.26 MB)     JPEG (533.5 kB)
Add Image to Favorite List 2014-11-07 Mars MAVEN
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The places where the red line on this graph extends higher than the blue line show detection of metals added to the Martian atmosphere from dust particles released by a passing comet on Oct. 19, 2014. The graphed data are from NASA's MAVEN spacecraft.
PIA18857:
Comet Meteor Shower Put Magnesium and Iron into Martian Atmosphere
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Add Image to Favorite List 2014-11-07 Mars MAVEN
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This artist's concept depicts the Imaging Ultraviolet Spectrograph (IUVS) on NASA's MAVEN spacecraft scanning the upper atmosphere of Mars. IUVS uses limb scans to map the chemical makeup and vertical structure across Mars' upper atmosphere.
PIA18856:
Artist's Concept of MAVEN's Imaging Ultraviolet Spectrograph at Work
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Add Image to Favorite List 2014-11-07 Mars 2001 Mars Odyssey
THEMIS
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The lava flows in this image from NASA's 2001 Mars Odyssey spacecraft are part of Solis Planum.
PIA18940:
Solis Planum
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Add Image to Favorite List 2014-11-06 Mars 2001 Mars Odyssey
THEMIS
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This image from NASA's 2001 Mars Odyssey spacecraft shows both part of the volcanic flows of Daedalia Planum (top half) and the tectonic features of Memnonia Fossae (bottom half).
PIA18937:
Volcanics and Tectonics
Full Resolution:     TIFF (1.662 MB)     JPEG (124.7 kB)
Add Image to Favorite List 2014-11-06 Mars Mars Science Laboratory (MSL)
Mastcam
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This image from an animiation of comet C/2013 A1 Siding Spring were taken by the Mast Camera (Mastcam) on NASA's Curiosity Mars rover as the comet passed near the red planet on Oct. 19, 2014.
PIA19043:
Mars Curiosity Rover Views Comet Siding Spring Animation Icon
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Add Image to Favorite List 2014-11-05 Mars 2001 Mars Odyssey
THEMIS
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This image captured by NASA's 2001 Mars Odyssey spacecraft crosses both Tithonium and Ius Chasma.
PIA18936:
Tithonium and Ius Chasmata
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Add Image to Favorite List 2014-11-04 Mars Mars Science Laboratory (MSL)
Mastcam
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This view shows the path and some key places in a survey of the 'Pahrump Hills' outcrop by NASA's Curiosity Mars rover in autumn of 2014. The outcrop is at the base of Mount Sharp within Gale Crater.
PIA19039:
Mars Rover Curiosity's Walkabout at 'Pahrump Hills'
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Add Image to Favorite List 2014-11-04 Mars Mars Science Laboratory (MSL)
CheMin
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This side-by-side comparison shows the X-ray diffraction patterns of two different samples collected from rocks on Mars by NASA's Curiosity rover. The images present data obtained by Curiosity's Chemistry and Mineralogy instrument (CheMin).
PIA19038:
Signature of Hematite in 'Confidence Hills' Martian Rock
Full Resolution:     TIFF (1.363 MB)     JPEG (142.3 kB)
Add Image to Favorite List 2014-11-04 Mars Mars Science Laboratory (MSL)
Mastcam
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This image from NASA's Curiosity rover shows a sample of powdered rock extracted by the rover's drill from the 'Confidence Hills' target -- the first rock drilled after Curiosity reached the base of Mount Sharp in September 2014.
PIA19037:
'Confidence Hills' Drill Powder in Scoop
Full Resolution:     TIFF (1.77 MB)     JPEG (48.85 kB)
Add Image to Favorite List 2014-11-04 Mars Mars Science Laboratory (MSL)
Mastcam
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This image shows the first holes drilled by NASA's Mars rover Curiosity at Mount Sharp. The loose material near the drill holes is drill tailings and an accumulation of dust that slid down the rock during drilling.
PIA19036:
'Confidence Hills' -- The First Mount Sharp Drilling Site
Full Resolution:     TIFF (4.84 MB)     JPEG (233.4 kB)
Add Image to Favorite List 2014-11-04 Mars 2001 Mars Odyssey
THEMIS
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This image captured by NASA's 2001 Mars Odyssey spacecraft shows layering in the south polar cap.
PIA18770:
South Polar Layers
Full Resolution:     TIFF (2.586 MB)     JPEG (317 kB)
Add Image to Favorite List 2014-11-03 Mars 2001 Mars Odyssey
THEMIS
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This image captured by NASA's 2001 Mars Odyssey spacecraft shows a portion of the northern cliff face and complex floor deposits of Ophir Chasma.
PIA18769:
Ophir Chasma
Full Resolution:     TIFF (4.153 MB)     JPEG (253 kB)
Add Image to Favorite List 2014-10-31 Mars 2001 Mars Odyssey
THEMIS
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The linear depressions (termed graben) in this image captured by NASA's 2001 Mars Odyssey spacecraft are part of Memnonia Fossae.
PIA18768:
Memnonia Fossae
Full Resolution:     TIFF (4.115 MB)     JPEG (342.3 kB)
Add Image to Favorite List 2014-10-30 Mars 2001 Mars Odyssey
THEMIS
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The linear depression in this image from NASA's 2001 Mars Odyssey spacecraft is a graben. The graben in this area of Mars are called Sirenum Fossae.
PIA18767:
Sirenum Fossae
Full Resolution:     TIFF (4.1 MB)     JPEG (463 kB)
Add Image to Favorite List 2014-10-29 Mars Mars Reconnaissance Orbiter (MRO)
HiRISE
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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.
PIA18890:
Hardened Dunes in Arcadia Planitia
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Add Image to Favorite List 2014-10-29 Mars Mars Reconnaissance Orbiter (MRO)
HiRISE
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This image captured by NASA's Mars Reconnaissance Orbiter shows a small channel cutting into young volcanic lavas in a region where massive catastrophic flooding took place in the relatively recent past in the Athabasca Valles region.
PIA18889:
Sand Sources Near Athabasca Valles
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Add Image to Favorite List 2014-10-29 Mars Mars Reconnaissance Orbiter (MRO)
HiRISE
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NASA's Mars Reconnaissance Orbiter acquired this image to aid in the search for the missing lander, Mars 2. If the debris field is found, it could serve as a future landing location to study the effects of crash landing on the Martian surface.
PIA18888:
Search for the Mars 2 Debris Field
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Add Image to Favorite List 2014-10-29 Mars Mars Reconnaissance Orbiter (MRO)
HiRISE
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This image NASA's Mars Reconnaissance Orbiter shows an impact crater that was cut by lava in the Elysium Planitia region of Mars. It looks relatively flat, with a shallow floor, rough surface texture, and possible cooling cracks.
PIA18887:
Which Way is Up?
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Add Image to Favorite List 2014-10-29 Mars 2001 Mars Odyssey
THEMIS
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This image captured by NASA's 2001 Mars Odyssey spacecraft shows the southern flank, where the volcanic material has been eroded into a ridge and channel surface.
PIA18765:
Apollinaris Mons
Full Resolution:     TIFF (4.134 MB)     JPEG (326.8 kB)
Add Image to Favorite List 2014-10-28 Mars 2001 Mars Odyssey
THEMIS
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This image captured by NASA's 2001 Mars Odyssey spacecraft shows layering in the south polar cap.
PIA18763:
South Pole Layers
Full Resolution:     TIFF (2.592 MB)     JPEG (179 kB)
Add Image to Favorite List 2014-10-27 Mars 2001 Mars Odyssey
THEMIS
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This image captured by NASA's 2001 Mars Odyssey spacecraft shows a graben cutting through a plateau. The graben is part of Sirenum Fossae.
PIA18760:
Sirenum Fossae
Full Resolution:     TIFF (4.1 MB)     JPEG (463 kB)
Add Image to Favorite List 2014-10-24 Mars Mars Reconnaissance Orbiter (MRO)
CRISM
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These two infrared images of comet C/2013 A1 Siding Spring were taken by the Compact Reconnaissance Imaging Spectrometer for Mars (CRISM) aboard NASA's Mars Reconnaissance Orbiter on Oct. 19, 2014.
PIA15291:
Images From Mars-Orbiting Spectrometer Show Comet's Coma
Full Resolution:     TIFF (1.516 MB)     JPEG (38.03 kB)
Add Image to Favorite List 2014-10-24 Mars 2001 Mars Odyssey
THEMIS
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The depression in the center of this image captured by NASA's 2001 Mars Odyssey spacecraft is a graben (fault bounded block of material). This graben is called Mangala Fossa.
PIA18757:
Mangala Fossa
Full Resolution:     TIFF (4.115 MB)     JPEG (342.3 kB)
Add Image to Favorite List 2014-10-23 Mars Hubble Space Telescope
Wide Field Planetary Camera 2
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This synthesized composite of NASA Hubble Space Telescope images captures the positions of comet Siding Spring and Mars in a never-before-seen close passage of a comet by the Red Planet.
PIA17802:
Close Encounters: Comet Siding Spring Seen Next to Mars (Synthesized Image)
Full Resolution:     TIFF (3.068 MB)     JPEG (43.77 kB)
Add Image to Favorite List 2014-10-23 Mars 2001 Mars Odyssey
THEMIS
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This image captured by NASA's 2001 Mars Odyssey spacecraft shows eroded materials on the floor of Candor Chasma.
PIA18756:
Candor Chasma
Full Resolution:     TIFF (4.119 MB)     JPEG (322.5 kB)
Add Image to Favorite List 2014-10-23 Mars MAVEN
Imaging Ultraviolet Spectrograph
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NASA's MAVEN spacecraft obtained this ultraviolet image of hydrogen surrounding comet Siding Spring on Oct. 17, 2014, two days before the comet's closest approach to Mars.
PIA18619:
MAVEN Ultraviolet Image of Comet Siding Spring's Hydrogen Coma
Full Resolution:     TIFF (84.1 MB)     JPEG (705.2 kB)
Add Image to Favorite List 2014-10-22 Mars 2001 Mars Odyssey
THEMIS
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This image from NASA's 2001 Mars Odyssey spacecraft shows a field of sand dunes located on the floor of this unnamed crater in Terra Cimmeria. Several gullies dissect the northern rim of the crater.
PIA18755:
Crater Dunes
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Add Image to Favorite List 2014-10-21 Mars 2001 Mars Odyssey
THEMIS
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The linear depression in the center of this image captured by NASA's Mars Odyssey spacecraft is a graben - a fault bounded block of material. The graben crosses the crater and ejecta in the middle of the image.
PIA18754:
Sirenum Fossae
Full Resolution:     TIFF (4.093 MB)     JPEG (470.3 kB)
Add Image to Favorite List 2014-10-20 Mars Mars Reconnaissance Orbiter (MRO)
HiRISE
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These images were taken of comet C/2013 A1 Siding Spring by NASA's Mars Reconnaissance Orbiter on Oct. 19, 2014, during the comet's close flyby of Mars and the spacecraft.
PIA18618:
First Resolved Image of a Long-Period Comet's Nucleus
Full Resolution:     TIFF (567.5 kB)     JPEG (26.9 kB)
Add Image to Favorite List 2014-10-20 Mars Mars Exploration Rover (MER)
Panoramic Camera
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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.
PIA18617:
Mars Rover Opportunity's View of Comet (Blink of Two Exposures) Animation Icon
Full Resolution:     TIFF (1.046 MB)     JPEG (310.7 kB)
Add Image to Favorite List 2014-10-20 Mars Mars Exploration Rover (MER)
Panoramic Camera
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Researchers used the Pancam on NASA's Mars Exploration Rover Opportunity to capture this view of comet C/2013 A1 Siding Spring as it flew near Mars on Oct. 19, 2014.
PIA18592:
Mars Rover Opportunity's View of Passing Comet (Short Exposure)
Full Resolution:     TIFF (1.046 MB)     JPEG (312.7 kB)
Add Image to Favorite List 2014-10-20 Mars Mars Exploration Rover (MER)
Panoramic Camera
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Researchers used the Pancam on NASA's Mars Exploration Rover Opportunity to capture this view of comet C/2013 A1 Siding Spring as it flew near Mars on Oct. 19, 2014.
PIA18591:
Mars Rover Opportunity's View of Passing Comet
Full Resolution:     TIFF (1.046 MB)     JPEG (311.3 kB)
Add Image to Favorite List 2014-10-20 Mars 2001 Mars Odyssey
THEMIS
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Lava flows of Daedalia Planum can be seen at the top and bottom portions of this image from NASA's 2001 Mars Odyssey spacecraft. The ridge and linear depression in the central part of the image are part of Mangala Fossa, a fault bounded graben.
PIA18753:
Faults and Flows
Full Resolution:     TIFF (4.114 MB)     JPEG (367.7 kB)
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