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List		 Addition DateSort Ascending Target Mission Instrument Size
Add Image to Favorite List 2014-05-22 Wide-field Infrared Survey Explorer (WISE)
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This infographic explains a popular theory of active supermassive black holes, referred to as the unified model -- and how new data from NASA's WISE, is at conflict with the model.
PIA18013:
Unified, or 'Doughnut,' Theory of Active, Black Holes
Full Resolution:     TIFF (42.09 MB)     JPEG (1.276 MB)
Add Image to Favorite List 2014-05-22 Wide-field Infrared Survey Explorer (WISE)
 WISE Telescope
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This artistically enhanced image from NASA's WISE data shows galaxies clumped together in the Fornax cluster, located 60 million light-years from Earth.
PIA18012:
The Clumping Behavior of Galaxies
Full Resolution:     TIFF (20.28 MB)     JPEG (1.191 MB)
Add Image to Favorite List 2014-05-22 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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This April 6, 2014, image from NASA's Mars Reconnaissance Orbiter shows numerous landslides in the vicinity of where an impact crater was excavated in March 2012.
PIA18385:
Landslides Near Fresh Crater on Mars
Full Resolution:     TIFF (1.097 MB)     JPEG (56.47 kB)
Add Image to Favorite List 2014-05-22 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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The largest crater associated with a March 2012 impact on Mars has many smaller craters around it, revealed in this image from the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter.
PIA18384:
Large, Fresh Crater Surrounded by Smaller Craters
Full Resolution:     TIFF (4.033 MB)     JPEG (174.3 kB)
Add Image to Favorite List 2014-05-22 Mars Mars Reconnaissance Orbiter (MRO)
 CTX
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These images from the Context Camera on NASA's Mars Reconnaissance Orbiter were taken before and after an apparent impact scar appeared in the area in March 2012. Comparing the images confirms that fresh craters appeared during the interval.
PIA18383:
Before-and-After Views Confirm Fresh Craters
Full Resolution:     TIFF (1.05 MB)     JPEG (153.2 kB)
Add Image to Favorite List 2014-05-22 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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A large new crater, seen by NASA's Mars Reconnaissance Orbiter, appear slightly asymmetric in shape, and measures 159 x 143 feet (48.5 x 43.5 meters) in diameter, making it the largest new crater detected on Mars by MRO to date.
PIA18772:
Global Eyes on an Impact Prize
Full Resolution:     TIFF (5.191 MB)     JPEG (700.7 kB)
Add Image to Favorite List 2014-05-22 Mars Mars Reconnaissance Orbiter (MRO)
 CTX
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This April 6, 2014, image from NASA's Mars Reconnaissance Orbiter was taken as a follow-up to discovery of a possible 2012 impact scar in images from the orbiter's Mars Color Imager. It reveals two craters within the darkened area (center of rectangle).
PIA18382:
Fresh Mars Crater Confirmed Within Impact Scar
Full Resolution:     TIFF (4.313 MB)     JPEG (1.148 MB)
Add Image to Favorite List 2014-05-22 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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The deep chasm that formed on the polar cap edge is identified as an area of strong down-slope winds and has a clear connection to Mars' largest dune field, Olympia Undae as observed by NASA's Mars Reconnaissance Orbiter.
PIA18771:
At the Edge of a Polar Cap
Full Resolution:     TIFF (15.56 MB)     JPEG (796.4 kB)
Add Image to Favorite List 2014-05-22 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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This observation from NASA's Mars Reconnaissance Orbiter shows an incredible diversity of ancient lava tubes and impact craters filled with sediment on the flank of Arsia Mons.
PIA18649:
The Busy Flank of Arsia Mons
Full Resolution:     TIFF (5.191 MB)     JPEG (682.4 kB)
Add Image to Favorite List 2014-05-22 Mars Mars Reconnaissance Orbiter (MRO)
 MARCI
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These two images taken one day apart by the MARCI weather camera on NASA's Mars Reconnaissance Orbiter reveal when an asteroid impact made the scar seen in the right-hand image.
PIA18381:
Best-Ever Pinning Down When a Space Rock Hit Mars
Full Resolution:     TIFF (674.2 kB)     JPEG (28.52 kB)
Add Image to Favorite List 2014-05-22 Mars Mars Reconnaissance Orbiter (MRO)
 MARCI
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This March 20, 2014, image from the MARCI camera on NASA's Mars Reconnaissance Orbiter has a dark spot (at center of rectangle) noticed while the image was being examined for a weather report.
PIA18380:
Impact Scar Detected in Mars Weathercam Image
Full Resolution:     TIFF (8.674 MB)     JPEG (222.2 kB)
Add Image to Favorite List 2014-05-22 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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Right past the sharp, but warped rim of this ancient impact crater are deposits of winter frost, which show up as blue in enhanced color as seen by NASA's Mars Reconnaissance Orbiter.
PIA18648:
What Gullies Can Say
Full Resolution:     TIFF (15.56 MB)     JPEG (696.7 kB)
Add Image to Favorite List 2014-05-22 Mars 2001 Mars Odyssey
 THEMIS
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This image captured by NASA's 2001 Mars Odyssey spacecraft show the dark marks left behind after the passage of a dust devil cover this region of Utopia Planitia.
PIA18257:
Utopia Planitia
Full Resolution:     TIFF (4.44 MB)     JPEG (538.5 kB)
Add Image to Favorite List 2014-05-21 LDSD
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A saucer-shaped vehicle (part of NASA's Low-Density Supersonic Decelerator (LDSD) project) designed to test interplanetary landing devices hangs on a tower in preparation for launch at the Pacific Missile Range Facility in Kauai, Hawaii.
PIA18011:
Before the Drop: Engineers Ready Supersonic Decelerator
Full Resolution:     TIFF (23.98 MB)     JPEG (625.3 kB)
Add Image to Favorite List 2014-05-21 Spitzer Space Telescope
 IRAC
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Astronomers have found cosmic clumps so dark, dense and dusty that they throw the deepest shadows ever recorded. A large cloud looms in the center of this image of the galactic plane from NASA's Spitzer Space Telescope.
PIA18010:
Mapping the Densest Dusty Cloud Cores
Full Resolution:     TIFF (18.76 MB)     JPEG (1.225 MB)
Add Image to Favorite List 2014-05-21 Mercury MESSENGER
 MDIS - Narrow Angle
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Stop Hitting Me
PIA18441:
Stop Hitting Me
Full Resolution:     TIFF (2.197 MB)     JPEG (171.4 kB)
Add Image to Favorite List 2014-05-21 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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This image from NASA's Mars Reconnaissance Orbiter shows impact craters.
PIA17482:
New Impact Site
Full Resolution:     TIFF (280.2 kB)     JPEG (95.43 kB)
Add Image to Favorite List 2014-05-21 Mars 2001 Mars Odyssey
 THEMIS
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Regions of mesas and channels are termed chaos. This region on the margin of Terra Sabaea has several areas of chaos, as shown in this image from NASA's 2001 Mars Odyssey spacecraft.
PIA18256:
Chaos
Full Resolution:     TIFF (4.327 MB)     JPEG (442.7 kB)
Add Image to Favorite List 2014-05-20 Earth Terra
 ASTER
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Winter still grips the volcanoes on Russia's Kamchatka peninsula. NASA's Terra spacecraft acquired this image showing the mantle of white, disturbed by dark ash entirely covering Sheveluch volcano from recent eruptions.
PIA18379:
NASA Spacecraft Spots Signs of Erupting Russian Volcano
Full Resolution:     TIFF (1.908 MB)     JPEG (297.3 kB)
Add Image to Favorite List 2014-05-20 Mars 2001 Mars Odyssey
 THEMIS
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The complex channel in this image captured by NASA's 2001 Mars Odyssey spacecraft is part of Olympica Fossae, and was most likely formed by the flow of lava.
PIA18255:
Olympica Fossae
Full Resolution:     TIFF (4.192 MB)     JPEG (293.3 kB)
Add Image to Favorite List 2014-05-19 Mars Mars Exploration Rover (MER)
 Navigation Camera
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Component images for this stereo, 360-degree scene were taken byNASA's Mars Exploration Rover Opportunity after a drive of about 97 feet southeastward on April 22, 2014. You need 3D glasses to view this image.
PIA18099:
Opportunity's Tracks Near Crater Rim Ridgeline (Stereo)
Full Resolution:     TIFF (27.18 MB)     JPEG (1.024 MB)
Add Image to Favorite List 2014-05-19 Mars Mars Exploration Rover (MER)
 Navigation Camera
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The component images for this 360-degree panorama were taken by NASA's Mars Exploration Rover Opportunity after the rover drove about 97 feet southeastward on April 22, 2014. The location is on the western rim of Endeavour Crater.
PIA18098:
Opportunity's Tracks Near Crater Rim Ridgeline
Full Resolution:     TIFF (9.065 MB)     JPEG (993.8 kB)
Add Image to Favorite List 2014-05-19 Mars Mars Exploration Rover (MER)
 Navigation Camera
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NASA's Mars Exploration Rover captured this stereo, 360-degree view near the ridgeline of Endeavour Crater's western rim. The center is southeastward. You need 3D glasses to view this image.
PIA18096:
Approaching a Target Deposit on Mars Crater Rim (Stereo)
Full Resolution:     TIFF (28.32 MB)     JPEG (1.311 MB)
Add Image to Favorite List 2014-05-19 Mars Mars Exploration Rover (MER)
 Navigation Camera
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NASA's Mars Exploration Rover capturde this 360-degree view near the ridgeline of Endeavour Crater's western rim. The center is southeastward. Rocks on the slope to the right of center are in an outcrop area targeted for the rover to study.
PIA18095:
Approaching a Target Deposit on Mars Crater Rim
Full Resolution:     TIFF (9.445 MB)     JPEG (1.222 MB)
Add Image to Favorite List 2014-05-19 Mars Mars Exploration Rover (MER)
 Panoramic Camera
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This false-color vista of the Endeavour Crater rim was acquired by NASA's Mars Exploration Rover Opportunity's panoramic camera on April 18, 2014, from 'Murray Ridge' on the western rim of the crater.
PIA18094:
Endeavour Crater Rim From 'Murray Ridge' on Mars, False Color
Full Resolution:     TIFF (20.69 MB)     JPEG (598 kB)
Add Image to Favorite List 2014-05-19 Mars Mars Exploration Rover (MER)
 Panoramic Camera
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This vista of the Endeavour Crater rim was acquired by NASA's Mars Exploration Rover Opportunity's panoramic camera on April 18, 2014, from the southern end of 'Murray Ridge' on the western rim of the crater.
PIA18093:
Endeavour Crater Rim From 'Murray Ridge' on Mars
Full Resolution:     TIFF (20.69 MB)     JPEG (398 kB)
Add Image to Favorite List 2014-05-19 Mercury MESSENGER
 MDIS - Narrow Angle
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Tears Roll Down
PIA18440:
Tears Roll Down
Full Resolution:     TIFF (1.046 MB)     JPEG (215.9 kB)
Add Image to Favorite List 2014-05-19 Mars 2001 Mars Odyssey
 THEMIS
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This image captured by NASA's 2001 Mars Odyssey spacecraft shows an unnamed channel located on the northwest margin of Arabia Terra.
PIA18254:
Channel
Full Resolution:     TIFF (4.218 MB)     JPEG (318.1 kB)
Add Image to Favorite List 2014-05-19 Tethys Cassini-Huygens
 ISS - Narrow Angle
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Tethys' trailing side shows two terrains that tell a story of a rough past. To the north (up, in image) is older, rougher terrain, while to the south is new material dubbed 'smooth plains' by scientists. This image was taken by NASA's Cassini spacecraft.
PIA17164:
Tethys' Terrains
Full Resolution:     TIFF (251 kB)     JPEG (4.591 kB)
Add Image to Favorite List 2014-05-16 LDSD
 Parachute Deployment Device
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An engineer works on the Parachute Deployment Device of the Low-Density Supersonic Decelerator test vehicle in this image taken at the Missile Assembly Building at the U.S. Navy's Pacific Missile Range Facility in Kaua'i, Hawaii.
PIA18008:
Prepping the Parachute Deployment Device
Full Resolution:     TIFF (5.124 MB)     JPEG (200.6 kB)
Add Image to Favorite List 2014-05-16 LDSD
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In this picture, NASA's saucer-shaped experimental flight vehicle is prepared for a Range Compatibility Test at the U.S. Navy's Pacific Missile Range Facility in Kaua'i, Hawaii.
PIA18007:
Hanging Saucer
Full Resolution:     TIFF (5.995 MB)     JPEG (244.8 kB)
Add Image to Favorite List 2014-05-16 LDSD
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NASA's Low-Density Supersonic Decelerator project, will test an inflatable decelerator and a parachute at high altitudes and speeds over the Pacific Missile Range this June.
PIA18006:
Preparing for a Supersonic Test
Full Resolution:     TIFF (23.98 MB)     JPEG (1.005 MB)
Add Image to Favorite List 2014-05-16 Mercury MESSENGER
 MDIS - Narrow Angle
 512x512x1
Small Scarp Seen!
PIA18378:
Small Scarp Seen!
Full Resolution:     TIFF (262.6 kB)     JPEG (40.53 kB)
Add Image to Favorite List 2014-05-16 Earth Terra
 ASTER
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This image from NASA's Terra spacecraft shows the Bangladeshi coast north of Chittagong, where ships from around the world are beached and dismantled.
PIA18258:
Shipbreaking, Bangladesh
Full Resolution:     TIFF (1.645 MB)     JPEG (124.2 kB)
Add Image to Favorite List 2014-05-16 Mars 2001 Mars Odyssey
 THEMIS
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This image captured by NASA's 2001 Mars Odyssey spacecraft shows another unnamed crater near the north pole with dunes on its floor.
PIA18252:
Crater Dunes
Full Resolution:     TIFF (7.925 MB)     JPEG (237.9 kB)
Add Image to Favorite List 2014-05-15 Mars Mars Science Laboratory (MSL)
 MAHLI
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This May 12, 2014, view from NASA's Curiosity Mars Rover shows the rock target 'Windjana' and its immediate surroundings after inspection of the site by the rover by drilling and other activities.
PIA18092:
Mars Rock 'Windjana' After Examination
Full Resolution:     TIFF (4.52 MB)     JPEG (331 kB)
Add Image to Favorite List 2014-05-15 Mars Mars Science Laboratory (MSL)
 MAHLI
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NASA's Curiosity Mars rover provided this nighttime view of a hole produced by the rover's drill and, inside the hole, a line of scars produced by the rover's rock-zapping laser.
PIA18091:
Nighttime Image of Laser Sharpshooting on Mars
Full Resolution:     TIFF (5.6 MB)     JPEG (418.9 kB)
Add Image to Favorite List 2014-05-15 Comet Rosetta
 OSIRIS
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This still from a sequence of images shows comet 67P/Churyumov-Gerasimenko moving against the background star field.
PIA18376:
Rosetta's Comet Comes Alive Animation Icon
Full Resolution:     TIFF (1.003 MB)     JPEG (121.1 kB)
Add Image to Favorite List 2014-05-15 OCO-2
 OCO-2
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This most recent artist's rendering shows NASA's Orbiting Carbon Observatory (OCO)-2, one of five new NASA Earth science missions set to launch in 2014, and one of three managed by the Jet Propulsion Laboratory (JPL).
PIA18374:
NASA's Orbiting Carbon Observatory (OCO)-2 (Artist Concept)
Full Resolution:     TIFF (192 MB)     JPEG (2.768 MB)
Add Image to Favorite List 2014-05-15 OCO-2
 OCO-2
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This most recent artist's rendering shows NASA's Orbiting Carbon Observatory (OCO)-2, one of five new NASA Earth science missions set to launch in 2014, and one of three managed by the Jet Propulsion Laboratory (JPL).
PIA18375:
NASA's Orbiting Carbon Observatory (OCO)-2 (Artist Concept)
Full Resolution:     TIFF (201.4 MB)     JPEG (3.092 MB)
Add Image to Favorite List 2014-05-15 Mars 2001 Mars Odyssey
 THEMIS
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Numerous unnamed channels seen in this image captured by NASA's 2001 Mars Odyssey spacecraft are located on the eastern margin of Tempe Terra.
PIA18251:
Tempe Terra
Full Resolution:     TIFF (4.291 MB)     JPEG (420.5 kB)
Add Image to Favorite List 2014-05-14 Mercury MESSENGER
 MDIS - Narrow Angle
 512x512x1
Rim Riddle Revealed!
PIA18377:
Rim Riddle Revealed!
Full Resolution:     TIFF (262.6 kB)     JPEG (26.76 kB)
Add Image to Favorite List 2014-05-14 Mars 2001 Mars Odyssey
 THEMIS
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This image captured by NASA's 2001 Mars Odyssey spacecraft shows a sand sheet with a surface dune form, which partly surrounds the central peak of this unnamed crater near the north pole.
PIA18250:
Crater Dunes
Full Resolution:     TIFF (7.621 MB)     JPEG (223.3 kB)
Add Image to Favorite List 2014-05-13 Mars 2001 Mars Odyssey
 THEMIS
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A sand sheet with surface dune forms covers the floor of this unnamed crater near the north pole. This image was taken by NASA's 2001 Mars Odyssey spacecraft.
PIA18240:
Crater Dunes
Full Resolution:     TIFF (8.059 MB)     JPEG (270.6 kB)
Add Image to Favorite List 2014-05-12 Mercury MESSENGER
 MDIS - Narrow Angle
 1024x1024x1
Crater Close-up Captured!
PIA18372:
Crater Close-up Captured!
Full Resolution:     TIFF (1.05 MB)     JPEG (128.5 kB)
Add Image to Favorite List 2014-05-12 Mars 2001 Mars Odyssey
 THEMIS
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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.
PIA18239:
Tartarus Colles
Full Resolution:     TIFF (4.102 MB)     JPEG (289 kB)
Add Image to Favorite List 2014-05-12 S Rings Cassini-Huygens
 ISS - Wide Angle
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This view, acquired by NASA's Cassini spacecraft, looks toward the unilluminated side of Saturn's rings from about 47 degrees below the ringplane.
PIA17143:
Still Alive
Full Resolution:     TIFF (1.05 MB)     JPEG (69.87 kB)
Add Image to Favorite List 2014-05-09 Earth Terra
 ASTER
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The Nagarjuna Sagar Dam on India's Krishna River is the largest masonry dam in operation in the world. This image is from NASA's Terra spacecraft.
PIA18373:
Nagarjuna Sagar Dam, India
Full Resolution:     TIFF (9.381 MB)     JPEG (513.8 kB)
Add Image to Favorite List 2014-05-09 Mercury MESSENGER
 MDIS - Narrow Angle
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Circus Maximus
PIA18371:
Circus Maximus
Full Resolution:     TIFF (524.9 kB)     JPEG (54.59 kB)
Add Image to Favorite List 2014-05-09 Mars 2001 Mars Odyssey
 THEMIS
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This image as seen by NASA's 2001 Mars Odyssey spacecraft shows the layering of the ice at the north pole.
PIA18238:
Polar Layers
Full Resolution:     TIFF (10.37 MB)     JPEG (385.2 kB)
Add Image to Favorite List 2014-05-08 Mercury MESSENGER
 MDIS - Narrow Angle
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This image from NASA's MESSENGER spacecraft shows targeted observations are images of a small area on Mercury's surface at resolutions much higher than the 200-meter/pixel morphology base map.
PIA18370:
Up Close and Personal
Full Resolution:     TIFF (2.042 MB)     JPEG (304.4 kB)
Add Image to Favorite List 2014-05-08 Mars 2001 Mars Odyssey
 THEMIS
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This image from NASA's 2001 Mars Odyssey spacecraft shows part of Aspledon Undae, one of several dune fields near the north pole. The term Undae means dunes.
PIA18237:
Polar Dunes
Full Resolution:     TIFF (7.72 MB)     JPEG (618.4 kB)
Add Image to Favorite List 2014-05-07 Chandra X-ray Observatory
Spitzer Space Telescope
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This composite image shows one of the clusters, NGC 2024, which is found in the center of the so-called Flame Nebula about 1,400 light years from Earth. Astronomers have studied two star clusters using NASA's Chandra and infrared telescopes.
PIA18249:
Inside the Flame Nebula
Full Resolution:     TIFF (38.89 MB)     JPEG (874.9 kB)
Add Image to Favorite List 2014-05-07 Mars 2001 Mars Odyssey
 THEMIS
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This image captured by NASA's 2001 Mars Odyssey spacecraft shows a portion of Lycus Sulci, a complex region of ridges located on the northern side of Olympus Mons. The term sulci means subparallel furrows and ridges.
PIA18236:
Lycus Sulci
Full Resolution:     TIFF (4.204 MB)     JPEG (365.6 kB)
Add Image to Favorite List 2014-05-06 Planck
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The magnetic field of our Milky Way galaxy as seen by ESA's Planck satellite. This image was compiled from the first all-sky observations of polarized light emitted by interstellar dust in the Milky Way.
PIA18048:
Magnetic Map of Milky Way
Full Resolution:     TIFF (4.648 MB)     JPEG (127.3 kB)
Add Image to Favorite List 2014-05-06 Mars Mars Science Laboratory (MSL)
 Navigation Camera
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This image from the Navigation Camera (Navcam) on NASA's Curiosity Mars rover shows two holes at top center drilled into a sandstone target called 'Windjana.' The farther hole, with larger pile of tailings around it, is a full-depth sampling hole.
PIA18090:
Sample-Collection Drill Hole on Martian Sandstone Target 'Windjana'
Full Resolution:     TIFF (175.6 kB)     JPEG (42.97 kB)
Add Image to Favorite List 2014-05-06 Mars 2001 Mars Odyssey
 THEMIS
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The large graben in this image from NASA's 2001 Mars Odyssey spacecraft is part of a series of graben located on the southern flank of Alba Mons. This collection of graben is called Ceraunius Fossae. The term fossae means long, linear depressions.
PIA18235:
Ceraunius Fossae
Full Resolution:     TIFF (4.27 MB)     JPEG (287.1 kB)
Add Image to Favorite List 2014-05-05 Mercury MESSENGER
 MDIS - Narrow Angle
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The Hills
PIA18248:
The Hills
Full Resolution:     TIFF (260.6 kB)     JPEG (41.54 kB)
Add Image to Favorite List 2014-05-05 Mars 2001 Mars Odyssey
 THEMIS
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This image captured by NASA's 2001 Mars Odyssey spacecraft shows some of the lava flows located east of the large Tharsis volcanoes.
PIA18234:
Lava Flows
Full Resolution:     TIFF (4.142 MB)     JPEG (609.3 kB)
Add Image to Favorite List 2014-05-05 Titan Cassini-Huygens
 ISS - Wide Angle
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This view captured by NASA's Cassini spacecraft looks toward the trailing hemisphere of Titan. Titan's south polar vortex mimics the moon itself, creating an elegant crescent within a crescent.
PIA17163:
Titan's Crescents
Full Resolution:     TIFF (1.042 MB)     JPEG (21.13 kB)
Add Image to Favorite List 2014-05-02 Mercury MESSENGER
 MDIS - Narrow Angle
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Hollows on Northern Walls
PIA18247:
Hollows on Northern Walls
Full Resolution:     TIFF (1.046 MB)     JPEG (122 kB)
Add Image to Favorite List 2014-05-02 Mars 2001 Mars Odyssey
 THEMIS
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As the season changes from spring to summer, the dunes surrounding the north polar cap become darker and darker as seen by NASA's 2001 Mars Odyssey spacecraft.
PIA18233:
Polar Dunes
Full Resolution:     TIFF (10.35 MB)     JPEG (620.9 kB)
Add Image to Favorite List 2014-05-01 Mercury MESSENGER
 MDIS - Narrow Angle
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Purcell and the Wall
PIA18246:
Purcell and the Wall
Full Resolution:     TIFF (1.812 MB)     JPEG (383.9 kB)
Add Image to Favorite List 2014-05-01 Uranus Cassini-Huygens
 ISS - Narrow Angle
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This view from NASA's Cassini spacecraft features a blue planet, Uranus, imaged by Cassini for the first time. Uranus is a pale blue in this natural color image because its visible atmosphere contains methane gas and few aerosols or clouds.
PIA17178:
Blue Orb on the Horizon
Full Resolution:     TIFF (2.652 MB)     JPEG (137.6 kB)
Add Image to Favorite List 2014-05-01 Ganymede 3300x2550x3
This artist's concept of Jupiter's moon Ganymede, the largest moon in the solar system, illustrates the 'club sandwich' model of its interior oceans. Scientists suspect Ganymede has a massive ocean under an icy crust.
PIA18005:
Possible "Moonwich" of Ice and Oceans on Ganymede (Artist's Concept)
Full Resolution:     TIFF (25.26 MB)     JPEG (514.5 kB)
Add Image to Favorite List 2014-05-01 Earth Terra
 ASTER
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On April 28, 2014, NASA's Terra spacecraft spotted signs of activity at Ubinas volcano in the Peruvian Andes. The appearance of a new lava dome in March 2014 and frequent ash emissions are signs of increasing activity at this volcano.
PIA18245:
Ubinas Volcano Activity in Peruvian Andes
Full Resolution:     TIFF (52.83 MB)     JPEG (2.566 MB)
Add Image to Favorite List 2014-05-01 Mars 2001 Mars Odyssey
 THEMIS
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The lava flows in this image from NASA's 2001 Mars Odyssey spacecraft are located east of Olympus Mons.
PIA18232:
Lava Flows
Full Resolution:     TIFF (4.147 MB)     JPEG (652.1 kB)
Add Image to Favorite List 2014-04-30 Mars Mars Science Laboratory (MSL)
 MAHLI
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NASA's Curiosity Mars rover completed a shallow 'mini drill' test April 29, 2014, in preparation for full-depth drilling at a rock target called 'Windjana.' The hole results from the test is 0.63 inch across and about 0.8 inch deep.
PIA18089:
Preparatory Drilling Test on Martian Target 'Windjana'
Full Resolution:     TIFF (5.737 MB)     JPEG (401.4 kB)
Add Image to Favorite List 2014-04-30 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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Nili Patera is one of the most active dune fields on Mars. Continuously monitored by the HiRise instrument onboard NASA's Mars Reconnaissance Orbiter, a new image is acquired about every six weeks.
PIA18244:
The Active Dunes of Nili Patera
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Add Image to Favorite List 2014-04-30 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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Olympia Undae is a large field of sand dunes surrounding Mars' North Polar ice cap. High latitude covers them with water and carbon dioxide frost in the winter so they are illuminated. NASA's Mars Reconnaissance Orbiter views these best in summer.
PIA18243:
Changing Dunes and Ripples in Olympia Undae
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Add Image to Favorite List 2014-04-30 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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The objective of this observation by NASA's Mars Reconnaissance Orbiter was to examine the edge of impact ejecta from a crater to the north-west of this area (north is up, west is to the left).
PIA18242:
Sunken and Pitted Ejecta
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Add Image to Favorite List 2014-04-30 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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Yardangs are streamlined hills that are carved by wind erosion from bedrock. NASA's Mars Reconnaissance Orbiter viewed these yardangs which can look like the hull of a boat.
PIA18241:
Yardangs Forming Near Gordii Dorsum
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Add Image to Favorite List 2014-04-30 Mars 2001 Mars Odyssey
 THEMIS
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Triangular shaped deposits at cliff edges are termed alluvial fans. Alluvial fans typically form in arid regions were water flow is limited, so deposits of material are not washed away as seen by NASA's 2001 Mars Odyssey spacecraft.
PIA18223:
Alluvial Fans
Full Resolution:     TIFF (4.157 MB)     JPEG (322.9 kB)
Add Image to Favorite List 2014-04-29 Mars Mars Science Laboratory (MSL)
 MAHLI
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This image from an animation shows a patch of sandstone scrubbed with the Dust Removal Tool, a wire-bristle brush, on NASA's Curiosity Mars rover. This rock target is called 'Windjana,' after a gorge in Western Australia.
PIA18088:
Martian Sandstone Target "Windjana" Before and After Brushing Animation Icon
Full Resolution:     TIFF (1.884 MB)     JPEG (741.4 kB)
Add Image to Favorite List 2014-04-29 Mercury MESSENGER
 MDIS - Narrow Angle
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Cuts Right Through
PIA18231:
Cuts Right Through
Full Resolution:     TIFF (2.407 MB)     JPEG (169.5 kB)
Add Image to Favorite List 2014-04-29 Earth Aqua
 AIRS
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NASA's Aqua spacecraft passed over central and southern United States on April 27-29, 2014 capturing this false-color infrared image of the slow-moving low-pressure system that spawned the strong supercell thunderstorms.
PIA18047:
NASA Satellite Spots Severe Weather Outbreak in South
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Add Image to Favorite List 2014-04-29 Herschel Space Observatory
Hubble Space Telescope
 HIFI
WFC3
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The young galaxy SDSS090122.37+181432.3, also known as S0901, is seen here by the Herschel Space Observatory and the Hubble Space Telescope as the bright arc to the left of the central bright galaxy.
PIA18004:
Smeared and Magnified Galaxy
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Add Image to Favorite List 2014-04-29 Mars 2001 Mars Odyssey
 THEMIS
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Two channels are visible in this image from NASA's 2001 Mars Odyssey spacecraft . The smaller one near the bottom did not carve as deeply as the larger channel at the top. The channel near the top of the image is near the origin of Mamers Valles.
PIA18222:
Channels
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Add Image to Favorite List 2014-04-28 Earth Terra
 ASTER
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On Friday, April 26, 2014, an avalanche on Mount Everest killed at least 13 Sherpa guides. NASA's Terra spacecraft looked toward the northeast, with Mount Everest (center), and Lhotse, the fourth-highest mountain on Earth, on the skyline to right center.
PIA18046:
Deadly Everest Avalanche Site Spotted by NASA Spacecraft
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Add Image to Favorite List 2014-04-28 Earth Terra
 ASTER
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Karst topography is a geological formation shaped by the dissolution of layers of soluble rock such as limestone. A good example is found in Guangxi Province in southeast China, as seen by NASA's Terra spacecraft.
PIA18230:
Karst Landscape, China
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Add Image to Favorite List 2014-04-28 Mars 2001 Mars Odyssey
 THEMIS
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The channels in this image taken by NASA's 2001 Mars Odyssey spacecraft are part of Granicus Valles, located west of the Elysium volcanic complex.
PIA18221:
Granicus Valles
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Add Image to Favorite List 2014-04-28 S Rings Cassini-Huygens
 ISS - Wide Angle
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Saturn's rings cast shadows on the planet, except their shadows appear to be inside out in this image captured by NASA's Cassini spacecraft.
PIA17162:
Me and My Shadow
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Add Image to Favorite List 2014-04-25 Mars Mars Science Laboratory (MSL)
 Mastcam
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NASA's Curiosity Mars rover has driven within robotic-arm's reach of the sandstone slab at the center of this view.
PIA18087:
Sandstone Target 'Windjana' May Be Next Martian Drilling Site
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Add Image to Favorite List 2014-04-25 Mars Mars Science Laboratory (MSL)
 Navcam (MSL)
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This image from the Navigation Camera on NASA's Curiosity Mars rover shows a sandstone slab on which the rover team has selected a target, 'Windjana,' for close-up examination.
PIA18086:
Curiosity Mars Rover Beside Sandstone Target 'Windjana'
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Add Image to Favorite List 2014-04-25 Mars Mars Reconnaissance Orbiter (MRO)
 HiRISE
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In this Mars Reconnaissance Orbiter view of the Curiosity rover mission's waypoint called 'the Kimberley,' the red dot indicates the location of a sandstone target, 'Windjana,' selected for close-up inspection.
PIA18085:
Location of Mars Sandstone Target 'Windjana'
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Add Image to Favorite List 2014-04-25 Spitzer Space Telescope
Wide-field Infrared Survey Explorer (WISE)
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This diagram illustrates the locations of the star systems closest to the sun. The year when the distance to each system was determined is listed after the system's name.
PIA18003:
Welcome to the Sun's Neighborhood
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Add Image to Favorite List 2014-04-25 Spitzer Space Telescope
Wide-field Infrared Survey Explorer (WISE)
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This frame from an animation shows the coldest brown dwarf yet seen, and the fourth closest system to our sun. Called WISE J085510.83-071442.5, this dim object was discovered through its rapid motion across the sky.
PIA18002:
Cold and Quick: a Fast-Moving Brown Dwarf Animation Icon
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Add Image to Favorite List 2014-04-25 Wide-field Infrared Survey Explorer (WISE)
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This artist's conception shows the object named WISE J085510.83-071442.5, the coldest known brown dwarf. Brown dwarfs are dim star-like bodies that lack the mass to burn nuclear fuel as stars do.
PIA18001:
Cold and Close Celestial Orb (Artist's Concept)
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Add Image to Favorite List 2014-04-25 Mercury MESSENGER
 MDIS - Wide Angle
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Ice in Egonu and Monk
PIA18229:
Ice in Egonu and Monk
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Add Image to Favorite List 2014-04-25 Mars 2001 Mars Odyssey
 THEMIS
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The channels, both large and small, in this image from NASA's 2001 Mars Odyssey spacecraft are part of Kasei Valles near its terminus in Chryse Planitia.
PIA18220:
Kasei Valles
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Add Image to Favorite List 2014-04-24 Ceres Mars Science Laboratory (MSL)
 Mastcam
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NASA's Curiosity Mars rover has caught the first image of asteroids taken from the surface of Mars. The image includes two asteroids, Ceres and Vesta. This version includes Mars' moon Deimos.
PIA17937:
First Asteroid Image from the Surface of Mars
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Add Image to Favorite List 2014-04-24 Mars 2001 Mars Odyssey
 THEMIS
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Given their location in the Tharsis volcanic complex, these channels were likely formed by the flow of lava rather than water in this image taken by NASA's 2001 Mars Odyssey spacecraft.
PIA18219:
Channels
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Add Image to Favorite List 2014-04-23 Mercury MESSENGER
 MDIS - Narrow Angle
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Wonder at Waters
PIA18228:
Wonder at Waters
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Add Image to Favorite List 2014-04-23 Mars 2001 Mars Odyssey
 THEMIS
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The graben in this image from NASA's 2001 Mars Odyssey spacecraft is Cyane Fossae. The lava flows are part of the extensive Tharsis volcanic flows.
PIA18218:
Cyane Fossae
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Add Image to Favorite List 2014-04-22 Mars 2001 Mars Odyssey
 THEMIS
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The lava flows in this image captured by NASA's 2001 Mars Odyssey spacecraft are located SE of Adams Crater.
PIA18217:
Lava Flows
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Add Image to Favorite List 2014-04-21 Mercury MESSENGER
 MDIS - Narrow Angle
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A Puzzling Peak
PIA18216:
A Puzzling Peak
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Add Image to Favorite List 2014-04-21 Mars 2001 Mars Odyssey
 THEMIS
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This complexly faulted region is part of Ceraunius Fossae, located south of Alba Mons. This image was captured by NASA's 2001 Mars Odyssey spacecraft.
PIA18203:
Ceraunius Fossae
Full Resolution:     TIFF (4.198 MB)     JPEG (261.6 kB)
Add Image to Favorite List 2014-04-21 Pan Cassini-Huygens
 ISS - Narrow Angle
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Saturn's moon Pan, named for the Greek god of shepherds, rules over quite a different domain: the Encke gap in Saturn's rings. This image is from NASA's Cassini spacecraft.
PIA17161:
God of the Gap
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Add Image to Favorite List 2014-04-18 Mercury MESSENGER
 MDIS - Wide Angle
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Peak to Pit
PIA18215:
Peak to Pit
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Add Image to Favorite List 2014-04-18 Mars 2001 Mars Odyssey
 THEMIS
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Many small channels are visible in this image of Arabia Terra as seen by NASA's 2001 Mars Odyssey spacecraft.
PIA18202:
Channels
Full Resolution:     TIFF (4.218 MB)     JPEG (375.5 kB)
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