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Add Image to Favorite List 2017-02-20 Dione Cassini-Huygens
ISS - Narrow Angle
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When viewed from a distance with the sun directly behind NASA's Cassini, the larger, brighter craters really stand out on moons like Dione. Among these larger craters, some leave bright ray patterns across the moon.
PIA20521:
Rays of Creusa
Full Resolution:     TIFF (172.3 kB)     JPEG (22.48 kB)
Add Image to Favorite List 2017-02-20 Mars 2001 Mars Odyssey
THEMIS
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This image captured by NASA's 2001 Mars Odyssey spacecraft shows dust devil tracks on the plains of Aonia Terra.
PIA21316:
Dust Devil Tracks
Full Resolution:     TIFF (778.6 kB)     JPEG (122.1 kB)
Add Image to Favorite List 2017-02-21 Mars 2001 Mars Odyssey
THEMIS
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This image captured by NASA's 2001 Mars Odyssey spacecraft shows the sunrise shadow of the crater rim on the crater floor.
PIA21317:
In the Shadow
Full Resolution:     TIFF (671.7 kB)     JPEG (69.61 kB)
Add Image to Favorite List 2017-02-23 Mars 2001 Mars Odyssey
THEMIS
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This image captured by NASA's 2001 Mars Odyssey spacecraft shows part of an unnamed crater in Noachis Terra.
PIA21319:
Dunes and Gullies
Full Resolution:     TIFF (671.3 kB)     JPEG (74.01 kB)
Add Image to Favorite List 2017-02-24 Mars 2001 Mars Odyssey
THEMIS
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This image captured by NASA's 2001 Mars Odyssey spacecraft shows Ross Crater in Aonia Terra.
PIA21320:
Ross Crater Gullies
Full Resolution:     TIFF (643.4 kB)     JPEG (59.58 kB)
Add Image to Favorite List 2017-02-25 Ceres Dawn
Framing Camera
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Occator Crater and Ahuna Mons appear together in this view obtained by NASA's Dawn spacecraft on Feb. 11, 2017. Ahuna Mons, on the limb at right, is a mountain 2.5 miles (4 kilometers) tall. Occator hosts the mysterious 'bright spots' called faculae.
PIA11240:
Occator and Ahuna
Full Resolution:     TIFF (700.2 kB)     JPEG (116 kB)
Add Image to Favorite List 2017-02-24 S Rings Cassini-Huygens
ISS - Narrow Angle
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As NASA's Cassini spacecraft continues its weekly ring-grazing orbits, diving just past the outside of Saturn's F ring, it is tracking several small, persistent objects there.
PIA21432:
Hardy Objects in Saturn's F Ring
Full Resolution:     TIFF (1.207 MB)     JPEG (83.48 kB)
Add Image to Favorite List 2017-02-23 Earth Earth Observing-1 (EO-1)
Hyperion Hyperspectral Imager
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NASA's Earth Observing spacecraft observed a new eruption at Erta'Ale volcano, Ethiopia, from an altitude of 438 miles (705 kilometers) on Jan. 24, 2017.
PIA11239:
NASA Spacecraft Watches as Eruption Reshapes African Volcano
Full Resolution:     TIFF (1.52 MB)     JPEG (67.8 kB)
Add Image to Favorite List 2017-02-22 Mars 2001 Mars Odyssey
THEMIS
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This image captured by NASA's 2001 Mars Odyssey spacecraft shows part of the south polar cap. It is now summer in the region and the surface frosts are gone.
PIA21318:
South Polar Layers
Full Resolution:     TIFF (2.574 MB)     JPEG (425.4 kB)
Add Image to Favorite List 2017-02-21 Sol (our sun) SDO
Atmosphere Imaging Assembly
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Several times a day for a few days the Earth completely blocked the Sun for about an hour due to NASA's Solar Dynamics Observatory's orbital path (Feb. 15, 2017).
PIA21461:
Earth Eclipses the Sun Animation Icon
Full Resolution:     TIFF (1.273 MB)     JPEG (62.33 kB)
Add Image to Favorite List 2017-02-22 Spitzer Space Telescope
TRAPPIST
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This frame from a video details a system of seven planets orbiting TRAPPIST-1, an ultra-cool dwarf star.
PIA21427:
TRAPPIST-1 Planetary Orbits and Transits
Full Resolution:     TIFF (1.411 MB)     JPEG (61.72 kB)
Add Image to Favorite List 2017-02-24 Jupiter Juno
JunoCam
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NASA's Juno spacecraft skimmed the upper wisps of Jupiter's atmosphere when JunoCam snapped this image on Feb. 2, 2017. from an altitude of about 9,000 miles (14,500 kilometers) above the giant planet's swirling cloudtops.
PIA21383:
Jovian Art
Full Resolution:     TIFF (5.162 MB)     JPEG (259.1 kB)
Add Image to Favorite List 2017-02-22 Mars Mars Reconnaissance Orbiter (MRO)
HiRISE
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NASA's Mars Reconnaissance Orbiter sees ice-rich mantling deposits accumulate from the atmosphere in the Martian mid-latitudes in cycles during periods of high obliquity.
PIA21462:
Layered Mantling Deposits in the Northern Mid-Latitudes
Full Resolution:     TIFF (5.191 MB)     JPEG (1.163 MB)
Add Image to Favorite List 2017-02-22 Spitzer Space Telescope
TRAPPIST
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This frame from a video depicts artist's concepts of each of the seven planets orbiting TRAPPIST-1, an ultra-cool dwarf star. Over 21 days.
PIA21468:
TRAPPIST-1 Planets - Flyaround Animation
Full Resolution:     TIFF (2.807 MB)     JPEG (56.05 kB)
Add Image to Favorite List 2017-02-20 Mars Mars Reconnaissance Orbiter (MRO)
HiRISE
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This image from NASA's Mars Reconnaissance Orbiter shows a new impact site originally detected by the Context Camera onboard MRO. The crater is on a dusty slope, which also has several dark slope streaks due to dust avalanches.
PIA21459:
A New Crater on a Dusty Slope
Full Resolution:     TIFF (13.86 MB)     JPEG (770.5 kB)
Add Image to Favorite List 2017-02-21 Mars Mars Reconnaissance Orbiter (MRO)
HiRISE
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Amazonis Planitia is a broad plain on Mars, covered with ancient lava. This image captured by NASA's Mars Reconnaissance Orbiter shows an interesting feature of an old lava flow.
PIA21460:
Obstacles and Wakes in Lava
Full Resolution:     TIFF (15.56 MB)     JPEG (969.8 kB)
Add Image to Favorite List 2017-02-23 Mars Mars Reconnaissance Orbiter (MRO)
HiRISE
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Much of Mars' surface is covered by fine-grained materials that hide the bedrock, but in this scene from NASA's Mars Reconnaissance Orbiter, the bedrock is well exposed except where covered by sand dunes.
PIA21463:
Layers and Dark Dunes
Full Resolution:     TIFF (15.56 MB)     JPEG (931.6 kB)
Add Image to Favorite List 2017-02-22 Spitzer Space Telescope
TRAPPIST
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Imagine standing on the surface of the exoplanet TRAPPIST-1f. This artist's concept is one interpretation of what it could look like.
PIA21423:
Surface of TRAPPIST-1f
Full Resolution:     TIFF (27.53 MB)     JPEG (1.016 MB)
Add Image to Favorite List 2017-02-22 Spitzer Space Telescope
TRAPPIST
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The TRAPPIST-1 star, an ultra-cool dwarf, has seven Earth-size planets orbiting it. This artist's concept appeared on the cover of the journal Nature in Feb. 23, 2017 announcing new results about the system.
PIA21421:
Abstract Concept of TRAPPIST-1 System
Full Resolution:     TIFF (13.91 MB)     JPEG (422.5 kB)
Add Image to Favorite List 2017-02-22 Spitzer Space Telescope
TRAPPIST
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The first observations of the TRAPPIST-1 system reported in 2016 revealed three planets orbiting a small, red-dwarf star, though the exact location of the outermost one, was not well-determined (yellow band, top image).
PIA21426:
The Discovery of TRAPPIST-1 Planets
Full Resolution:     TIFF (3.828 MB)     JPEG (491 kB)
Add Image to Favorite List 2017-02-22 Spitzer Space Telescope
TRAPPIST
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Three of the TRAPPIST-1 planets dwell in their star's so-called 'habitable zone,' shown in green. This is the band around the star where temperatures are just right, not too hot, not too cold, for liquid water to pool on the surface of an Earth-like world
PIA21424:
The TRAPPIST-1 Habitable Zone
Full Resolution:     TIFF (10.46 MB)     JPEG (624.5 kB)
Add Image to Favorite List 2017-02-22 Spitzer Space Telescope
TRAPPIST
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All seven planets discovered in orbit around the red dwarf star TRAPPIST-1 could easily fit inside the orbit of Mercury, the innermost planet of our solar system.
PIA21428:
TRAPPIST-1 Comparison to Solar System and Jovian Moons
Full Resolution:     TIFF (3.612 MB)     JPEG (646.9 kB)
Add Image to Favorite List 2017-02-22 Spitzer Space Telescope
TRAPPIST
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This illustration shows the seven TRAPPIST-1 planets as they might look as viewed from Earth using a fictional, incredibly powerful telescope. The sizes and relative positions are correctly to scale.
PIA21429:
Transit Illustration of TRAPPIST-1
Full Resolution:     TIFF (26.82 MB)     JPEG (535.5 kB)
Add Image to Favorite List 2017-02-22 Spitzer Space Telescope
TRAPPIST
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This artist's concept shows what the TRAPPIST-1 planetary system may look like, based on available data about the planets' diameters, masses and distances from the host star.
PIA21422:
TRAPPIST-1 Planet Lineup
Full Resolution:     TIFF (11.88 MB)     JPEG (487.1 kB)
Add Image to Favorite List 2017-02-22 Spitzer Space Telescope
TRAPPIST
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This chart shows, on the top row, artist conceptions of the seven planets of TRAPPIST-1 with their orbital periods, distances from their star, radii and masses as compared to those of Earth. The bottom row shows data about Mercury, Venus, Earth and Mars.
PIA21425:
TRAPPIST-1 Statistics Table
Full Resolution:     TIFF (9.099 MB)     JPEG (932.9 kB)
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