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List		 Addition DateSort Ascending Target Mission Instrument Size
Add Image to Favorite List 2016-07-23 Sol (our sun) SDO
 Atmosphere Imaging Assembly
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The Sun produced three M-class (medium-sized) flares in less than 13 hours and the third one had an interesting flourish at the end (July 22-23, 2016). These were the largest flares the Sun had produced this year as seen by NASA's Solar Dynamics Observato
PIA17912:
Solar Flares with some Flair Animation Icon
Full Resolution:     TIFF (852.2 kB)     JPEG (31.3 kB)
Add Image to Favorite List 2016-07-19 Wide-field Infrared Survey Explorer (WISE)
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Researchers used data from NASA's Wide-field Infrared Survey Explorer (WISE) mission to highlight the X-shaped structure in the bulge of the Milky Way.
PIA20699:
X-Shaped Bulge in the Milky Way
Full Resolution:     TIFF (46.74 MB)     JPEG (6.544 MB)
Add Image to Favorite List 2016-07-18 Sol (our sun) SDO
 Atmosphere Imaging Assembly
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One broad active region sported a wonderful example of coiled magnetic field lines over almost a four-day period observed by NASA's Solar Dynamics Observatory during July 15-18, 2016.
PIA17911:
Magnetic Coiling Animation Icon
Full Resolution:     TIFF (1.045 MB)     JPEG (48.66 kB)
Add Image to Favorite List 2016-07-12 NuSTAR
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This artist's impression depicts the accretion disc surrounding a black hole, in which the inner region of the disc precesses. 'Precession' means that the orbit of material surrounding the black hole changes orientation around the central object.
PIA20697:
Black Hole with 'Wobbling' Disk (Artist Concept)
Full Resolution:     TIFF (2.883 MB)     JPEG (220.6 kB)
Add Image to Favorite List 2016-07-11 Galaxy Evolution Explorer (GALEX)
 SDSS
Very Large Array (VLA)
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NASA's GALEX reveals the true nature of UGC 1382, dubbed the 'Frankenstein galaxy.' Scientists have discovered that UGC 1382 is a giant, and one of the largest isolated galaxies known.
PIA20695:
Frankenstein Galaxy
Full Resolution:     TIFF (18.72 MB)     JPEG (1.023 MB)
Add Image to Favorite List 2016-07-09 Sol (our sun) SDO
 Atmosphere Imaging Assembly
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One active region at the edge of the Sun pushed out about ten thrusts of plasma in just over a day long period as observed by NASA's Solar Dynamics Observatory on July 9-10, 2016.
PIA20883:
Weak Thrusts Animation Icon
Full Resolution:     TIFF (1.222 MB)     JPEG (58.52 kB)
Add Image to Favorite List 2016-06-27 Sol (our sun) SDO
 Atmosphere Imaging Assembly
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Several arcing loops rotated into view and swirled above an active region, which gave us a nice profile view of the action from NASA's Solar Dynamics Observatory on June 26-27, 2016.
PIA20882:
Bright Arcing Loops Animation Icon
Full Resolution:     TIFF (1.403 MB)     JPEG (50.15 kB)
Add Image to Favorite List 2016-06-20 Kepler
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When a planet such as K2-33b passes in front of its host star, it blocks some of the star's light.shown in this frame from an animation as discovered by NASA's Kepler Space Telescope.
PIA20692:
Young Star and Its Infant Planet (Artist's animation) Animation Icon
Full Resolution:     TIFF (1.433 MB)     JPEG (70.08 kB)
Add Image to Favorite List 2016-06-20 Kepler
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This image shows the K2-33 system, and its planet K2-33b, compared to our own solar system, as discovered by NASA's Kepler Space Telescope.
PIA20691:
Comparing K2-33 to our Solar System
Full Resolution:     TIFF (1.788 MB)     JPEG (328 kB)
Add Image to Favorite List 2016-06-20 Kepler
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K2-33b, shown in this illustration, is one of the youngest exoplanets detected to date using NASA's Kepler Space Telescope.
PIA20690:
Exoplanet Orbits Youthful Star (Artist's Concept)
Full Resolution:     TIFF (27.26 MB)     JPEG (997.4 kB)
Add Image to Favorite List 2016-06-16 Sol (our sun) SDO
 Atmosphere Imaging Assembly
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Each day NASA solar scientists produce overlays (in white lines) that show how magnetic field lines above the sun are configured (June 16, 2016). The lines are tightly bundled near the lighter-toned active regions, which are magnetically intense regions.
PIA20881:
Magnetic Field Illuminated
Full Resolution:     TIFF (12.58 MB)     JPEG (804.6 kB)
Add Image to Favorite List 2016-06-14 Spitzer Space Telescope
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This artist's concept, based on data from NASA's Spitzer Space Telescope, illustrates how the brightness of outbursting star FU Orionis has been slowly fading since its initial flare-up in 1936.
PIA20689:
Dimming of FU Orionis (Artist's Concept)
Full Resolution:     TIFF (28.49 MB)     JPEG (1.085 MB)
Add Image to Favorite List 2016-06-08 Sol (our sun) SDO
 Atmosphere Imaging Assembly
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A close-up of twisting plasma above the Sun's surface produced a nice display of turbulence by caused combative magnetic forces (June 7-8, 2016) over a day and a half as seen by NASA's Solar Dynamics Observatory.
PIA20739:
Twisting Plasma Animation Icon
Full Resolution:     TIFF (872.2 kB)     JPEG (42.3 kB)
Add Image to Favorite List 2016-06-08 Hubble Space Telescope
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Studies based on observations from NASA's Hubble Space Telescope show that hot Jupiters, exoplanets around the same size as Jupiter that orbit very closely to their stars, often have cloud or haze layers in their atmospheres.
PIA20687:
Hot Jupiter with Hidden Water (Artist Concept)
Full Resolution:     TIFF (17.9 MB)     JPEG (389.4 kB)
Add Image to Favorite List 2016-05-27 Herschel Space Observatory
 PACS
SPIRE
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New stars are the lifeblood of our galaxy, and there is enough material revealed by ESA's Herschel of the constellation Vulpecula (little fox) OB1. The giant stars at the heart of Vulpecula OB1 are some of the biggest in the galaxy.
PIA13500:
The Little Fox and the Giant Stars
Full Resolution:     TIFF (9.204 MB)     JPEG (393.2 kB)
Add Image to Favorite List 2016-05-18 Sol (our sun) SDO
 Atmosphere Imaging Assembly
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A substantial coronal hole had rotated so that it temporarily faced right towards Earth (May, 17-19, 2016). This coronal hole area is the dark area at the top center of this image from NASA's Solar Dynamics Observatory.
PIA15379:
Coronal Hole Front and Center Animation Icon
Full Resolution:     TIFF (1.095 MB)     JPEG (49.07 kB)
Add Image to Favorite List 2016-05-09 Sol (our sun) SDO
 Atmosphere Imaging Assembly
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On May 9, 2016, Mercury passed directly between the Sun and Earth, making a transit of the Sun. Mercury transits happen about 13 times each century. NASA's SDO studies the Sun 24/7 and captured the eight-hour event.
PIA14729:
Mercury Transit Across the Sun Animation Icon
Full Resolution:     TIFF (1.176 MB)     JPEG (52.22 kB)
Add Image to Favorite List 2016-04-26 Spitzer Space Telescope
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This illustration shows a star surrounded by a protoplanetary disk.
PIA20645:
Protoplanetary Disk (Artist's Concept)
Full Resolution:     TIFF (13.92 MB)     JPEG (629.5 kB)
Add Image to Favorite List 2016-04-19 Wide-field Infrared Survey Explorer (WISE)
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A young, free-floating world sits alone in space in this illustration. The object, called WISEA J114724.10-204021.3, is thought to be an exceptionally low-mass brown dwarf.
PIA20583:
Young Brown Dwarf in TW Hydrae Family of Stars (Artist Concept)
Full Resolution:     TIFF (14.55 MB)     JPEG (522.3 kB)
Add Image to Favorite List 2016-04-19 Wide-field Infrared Survey Explorer (WISE)
 WISE Telescope
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A sky map taken by NASA's Wide-field Infrared Survey Explorer, or WISE, shows the location of the TW Hydrae family, or association, of stars, which lies about 175 light-years from Earth and is centered in the Hydra constellation.
PIA20582:
TW Hydrae Family of Stars
Full Resolution:     TIFF (15.21 MB)     JPEG (882.9 kB)
Add Image to Favorite List 2016-04-14 Spitzer Space Telescope
 IRAC
Two Micron All Sky Survey (2MASS)
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The spider part of 'The Spider and the Fly' nebulae, IC 417 abounds in star formation, as seen in this infrared image from NASA's Spitzer Space Telescope and the Two Micron All Sky Survey (2MASS).
PIA20357:
The Spider Nebula
Full Resolution:     TIFF (24.67 MB)     JPEG (1.305 MB)
Add Image to Favorite List 2016-04-07 Kepler
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In a global experiment in exoplanet observation, the K2 mission and Earth-based observatories on six continents will survey millions of stars toward the center of our Milky Way galaxy.
PIA20070:
Map of Exoplanet Search Areas
Full Resolution:     TIFF (10.39 MB)     JPEG (264.1 kB)
Add Image to Favorite List 2016-04-06 Sol (our sun) SDO
 Atmosphere Imaging Assembly
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This still image from an animation from NASA's GSFC's Solar Dynamics Observatory shows arches of magnetic field lines towered over the edge of the Sun as a pair of active regions began to rotate into view (Apr. 5-6, 2016).
PIA20604:
Towering Arches Animation Icon
Full Resolution:     TIFF (1.366 MB)     JPEG (57.27 kB)
Add Image to Favorite List 2016-03-30 Spitzer Space Telescope
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This illustration shows one possible scenario for the hot, rocky exoplanet called 55 Cancri e, which is nearly two times as wide as Earth. New data from NASA's Spitzer Space Telescope show that the planet has extreme temperature swings.
PIA20068:
Hot-Lava World Illustration Animation Icon
Full Resolution:     TIFF (14.58 MB)     JPEG (477 kB)
Add Image to Favorite List 2016-03-28 Spitzer Space Telescope
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The turbulent atmosphere of a hot, gaseous planet known as HD 80606b is shown in this simulation based on data from NASA's Spitzer Space Telescope.
PIA20066:
Simulated Atmosphere of a Hot Gas Giant Animation Icon
Full Resolution:     TIFF (1.294 MB)     JPEG (52.89 kB)
Add Image to Favorite List 2016-03-24 Sol (our sun) SDO
 Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory shows a long coronal hole has rotated so that was temporarily facing right towards Earth (Mar. 23-25, 2016). Coronal holes appear dark when viewed in some wavelengths of extreme ultraviolet light.
PIA19178:
Elongated Coronal Hole Animation Icon
Full Resolution:     TIFF (961.2 kB)     JPEG (37.28 kB)
Add Image to Favorite List 2016-03-21 Kepler
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The brilliant flash of an exploding star's shockwave -- what astronomers call the 'shock breakout' -- is illustrated in artist's concept based on NASA's Kepler.
PIA20065:
Caught: A Supernova Shock Breakout (Artist Concept)
Full Resolution:     TIFF (4.283 MB)     JPEG (178.6 kB)
Add Image to Favorite List 2016-03-17 SDSS
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In archived NASA data, researchers have discovered 'super spiral' galaxies that dwarf our own spiral galaxy, the Milky Way, and compete in size and brightness with the largest galaxies in the universe.
PIA20064:
Gargantuan 'Super Spiral' Galaxies Loom Large in the Cosmos
Full Resolution:     TIFF (5.495 MB)     JPEG (152.6 kB)
Add Image to Favorite List 2016-03-03 CHIMERA
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This image of the Crab Pulsar was taken with CHIMERA, an instrument at the Palomar Observatory, which is operated by the California Institute of Technology.
PIA20347:
Versatile Instrument to Scout for Kuiper Belt Objects
Full Resolution:     TIFF (3.083 MB)     JPEG (105.7 kB)
Add Image to Favorite List 2016-02-18 Hubble Space Telescope
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This is an illustration of a planet that is four times the mass of Jupiter and orbits 5 billion miles from a brown-dwarf companion (the bright red object seen in the background).
PIA16033:
Artist's View of a Super-Jupiter around a Brown Dwarf (2M1207)
Full Resolution:     TIFF (8.77 MB)     JPEG (420 kB)
Add Image to Favorite List 2016-02-09 Sol (our sun) SDO
 Atmosphere Imaging Assembly
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The magnetic field lines of three active regions in close proximity to one another interacted with each other over two and a half days (Feb. 8-10, 2016). This image is from NASA's Solar Dynamics Observatory.
PIA20474:
Solar Triumvirate Animation Icon
Full Resolution:     TIFF (1.309 MB)     JPEG (56.46 kB)
Add Image to Favorite List 2016-01-28 Hubble Space Telescope
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This artist's diagram shows the Smith Cloud as it arcs out of the plane of our Milky Way galaxy, then returning like a boomerang. Hubble's Telescope measurements that it came out of a region near the edge of the galaxy's disk of stars 70 million years ago
PIA16024:
Monstrous Cloud Boomerangs Back to Our Galaxy (Artist's Concept)
Full Resolution:     TIFF (9.49 MB)     JPEG (601.9 kB)
Add Image to Favorite List 2016-01-21 Hubble Space Telescope
 Advanced Camera for Surveys
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Resembling an opulent diamond tapestry, this image from NASA's Hubble Space Telescope shows a glittering star cluster that contains a collection of some of the brightest stars seen in our Milky Way galaxy called Trumpler 14.
PIA20468:
Hubble Unveils a Tapestry of Dazzling Diamond-Like Stars
Full Resolution:     TIFF (45.79 MB)     JPEG (1.43 MB)
Add Image to Favorite List 2016-01-07 Chandra X-ray Observatory
Herschel Space Observatory
Spitzer Space Telescope
 Chandra X-ray Telescope
IRAC
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Astronomers have made the most detailed study yet of an extremely massive young galaxy cluster using three of NASA's Great Observatories. This rare galaxy cluster, located 10 billion light-years from Earth, is almost as massive as 500 trillion suns.
PIA20063:
Galaxy Cluster IDCS J1426
Full Resolution:     TIFF (7.301 MB)     JPEG (258.9 kB)
Add Image to Favorite List 2016-01-06 Hubble Space Telescope
 WFPC2
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The discovery of likely Eta Carinae 'twins' in other galaxies will help scientists better understand this brief phase in the life of a massive star with images such as this from NASA's Hubble Space Telescope.
PIA20294:
WFPC2 Image of the Variable Star Eta Carinae
Full Resolution:     TIFF (1.338 MB)     JPEG (44.83 kB)
Add Image to Favorite List 2016-01-06 Hubble Space Telescope
Spitzer Space Telescope
 Hubble Space Telescope
Spitzer Space Telescope
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Researchers found likely twins of the giant, erupting star Eta Carinae by comparing infrared images from NASA's Spitzer Space Telescope (top) and NASA's Hubble Space Telescope.
PIA20018:
A Full Panel of Twins
Full Resolution:     TIFF (2.209 MB)     JPEG (322.6 kB)
Add Image to Favorite List 2016-01-05 Spitzer Space Telescope
Wide-field Infrared Survey Explorer (WISE)
 Spitzer Space Telescope
WISE Telescope
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Bow shocks thought to mark the paths of massive, speeding stars are highlighted in these images from NASA's Spitzer Space Telescope and Wide-field Infrared Survey Explorer, or WISE.
PIA20062:
Bow Shocks in Space
Full Resolution:     TIFF (4.022 MB)     JPEG (177.7 kB)
Add Image to Favorite List 2016-01-05 Galaxy Evolution Explorer (GALEX)
NuSTAR
 GALEX Telescope
NuSTAR
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These images from NASA's GALEX and NuSTAR is of Andromeda, a spiral galaxy like our Milky Way but larger in size. It lies 2.5 million light-years away in the Andromeda constellation.
PIA20061:
Andromeda in High-Energy X-rays
Full Resolution:     TIFF (41.67 MB)     JPEG (2.214 MB)
Add Image to Favorite List 2015-12-17 Hubble Space Telescope
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In the center of this image from the Hubble Space Telescope, partially obscured by a dark cloud of dust, a newborn star shoots twin jets out into space as a sort of birth announcement to the universe.
PIA16022:
Hubble Sees the Force Awakening in a Newborn Star
Full Resolution:     TIFF (3.517 MB)     JPEG (85.05 kB)
Add Image to Favorite List 2015-12-17 Hubble Space Telescope
NuSTAR
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Galaxy NGC 1068 can be seen in close-up in this view from NASA's Hubble Space Telescope. NuSTAR data revealed that the torus of gas and dust surrounding the black hole, also referred to as a doughnut, is more clumpy than previously thought.
PIA20058:
Hidden Lair at the Heart of Galaxy NGC 1068
Full Resolution:     TIFF (20.54 MB)     JPEG (870.1 kB)
Add Image to Favorite List 2015-12-17 Hubble Space Telescope
NuSTAR
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Galaxy NGC 1068 is shown in visible light and X-rays in this composite image. High-energy X-rays (magenta) captured by NASA's NuSTAR, are overlaid on visible-light images from both NASA's Hubble Space Telescope and the Sloan Digital Sky Survey.
PIA20057:
NuSTAR's View of Galaxy NGC 1068
Full Resolution:     TIFF (18.53 MB)     JPEG (305.8 kB)
Add Image to Favorite List 2015-12-14 Hubble Space Telescope
Spitzer Space Telescope
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This image shows an artist's impression of the 10 hot Jupiter exoplanets studied using the Hubble and Spitzer space telescopes. (Top L, Bottom R -- WASP-12b, WASP-6b, WASP-31b, WASP-39b, HD 189733b, HAT-P-12b, WASP-17b, WASP-19b, HAT-P-1b, HD 209458b)
PIA20056:
Artist's Impression of "Hot Jupiter" Exoplanets
Full Resolution:     TIFF (47.71 MB)     JPEG (3.259 MB)
Add Image to Favorite List 2015-12-12 Sol (our sun) SDO
 Atmosphere Imaging Assembly
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This side-by-side rendering of the Sun at the same time in two different wavelengths of extreme ultraviolet light helps to visualize the differing features visible in each wavelength (Dec. 10-11, 2015). This image is from NASA's Solar Dynamics Observatory
PIA20214:
Comparing Wavelengths Animation Icon
Full Resolution:     TIFF (1.234 MB)     JPEG (55.75 kB)
Add Image to Favorite List 2015-12-10 Kepler
Spitzer Space Telescope
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This illustration shows a cool star, called W1906+40, marked by a raging storm near one of its poles. The storm is thought to be similar to the Great Red Spot on Jupiter. Scientists discovered it using NASA's Kepler and Spitzer space telescopes.
PIA20055:
Cool Star Marked by Long-Lived Storm (Artist's Concept) Animation Icon
Full Resolution:     TIFF (8.704 MB)     JPEG (349.2 kB)
Add Image to Favorite List 2015-12-03 Hubble Space Telescope
Spitzer Space Telescope
 WFC3
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This is view from ESA's Hubble Space Telescope of a very massive cluster of galaxies, MACS J0416.1-2403, located roughly 4 billion light-years away and weighing as much as a million billion suns.
PIA20054:
Faint Compact Galaxy in the Early Universe
Full Resolution:     TIFF (53.34 MB)     JPEG (2.758 MB)
Add Image to Favorite List 2015-11-03 Spitzer Space Telescope
 Spitzer Space Telescope
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The galaxy cluster called MOO J1142+1527 can be seen here as it existed when light left it 8.5 billion years ago. The red galaxies at the center of the image from NASA's Spitzer make up the heart of the galaxy cluster.
PIA20052:
A Giant Gathering of Galaxies
Full Resolution:     TIFF (28.34 MB)     JPEG (1.319 MB)
Add Image to Favorite List 2015-10-28 Sol (our sun) SDO
 Atmosphere Imaging Assembly
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As a pair of active regions began to rotate into view, their towering magnetic field lines above them bloomed into a dazzling display of twisting arches (Oct. 27-28, 2015) in this image from NASA's Solar Dynamics Observatory.
PIA20048:
Active Regions Blossoming Animation Icon
Full Resolution:     TIFF (1.494 MB)     JPEG (61.29 kB)
Add Image to Favorite List 2015-10-27 NuSTAR
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In 2014, NASA's Nuclear Spectroscopic Telescope Array, or NuSTAR, and Swift space telescopes witnessed an X-flare from the supermassive black hole in a distant galaxy called Markarian 335. Artist Concept.
PIA20051:
Shifting Coronas Around Black Holes (Artist Concept)
Full Resolution:     TIFF (38.9 MB)     JPEG (2.244 MB)
Add Image to Favorite List 2015-10-13 Sol (our sun) SDO
 Atmosphere Imaging Assembly
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A mass of plasma gathered itself into a twisting mass, spun around for a bit, then rose up and broke apart over a 10-hour period (Oct. 13, 2015) as observed by NASA's Solar Dynamics Observatory.
PIA20008:
Hefty Prominence Eruption Animation Icon
Full Resolution:     TIFF (1.164 MB)     JPEG (53.28 kB)
Add Image to Favorite List 2015-09-13 Sol (our sun) SDO
 Atmosphere Imaging Assembly
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On Sept. 13, 2015, as NASA's Solar Dynamics Observatory, or SDO, kept up its constant watch on the sun. Just as the moon came into SDO's field of view on a path to cross the sun, Earth entered the picture, blocking SDO's view completely.
PIA19949:
SDO Transit, September 2015 Animation Icon
Full Resolution:     TIFF (19.58 MB)     JPEG (918.5 kB)
Add Image to Favorite List 2015-09-10 Sol (our sun) SDO
 Atmosphere Imaging Assembly
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Three substantial coronal holes rotated across the face of the Sun the week of Sept. 8-10, 2015 as seen by NASA's Solar Dynamics Observatory. Coronal holes are areas where the Sun's magnetic field is open and a source of streaming solar wind.
PIA19950:
A Triumvirate: Three Coronal Holes Animation Icon
Full Resolution:     TIFF (1.195 MB)     JPEG (44.65 kB)
Add Image to Favorite List 2015-09-10 Hubble Space Telescope
Spitzer Space Telescope
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A massive cluster of galaxies, called SpARCS1049+56, can be seen in this multi-wavelength view from NASA's Hubble and Spitzer space telescopes.
PIA19837:
What Feeds the Beast in a Galaxy Cluster?
Full Resolution:     TIFF (10.61 MB)     JPEG (430.2 kB)
Add Image to Favorite List 2015-09-02 Sol (our sun) SDO
 Atmosphere Imaging Assembly
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A small, but complex mass of plasma gyrated and spun about over the course of 40 hours above the surface of the Sun taken by NASA's GSFC Solar Dynamics Observatory on Sept. 1-3, 2015.
PIA19878:
Tangled up in Blue Animation Icon
Full Resolution:     TIFF (1.556 MB)     JPEG (84.17 kB)
Add Image to Favorite List 2015-08-26 Sol (our sun) SDO
 Atmosphere Imaging Assembly
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This still image from an animation from NASA GSFC's Solar Dynamics Observatory shows a large group of sunspots that rotated across the Sun over six days (Aug. 21-26, 2015).
PIA19876:
Big Sunspot Group Animation Icon
Full Resolution:     TIFF (1.028 MB)     JPEG (58.74 kB)
Add Image to Favorite List 2015-08-20 Spitzer Space Telescope
 Spitzer Space Telescope
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NASA's Spitzer Space Telescope celebrated its 12th anniversary with a new digital calendar showcasing some of the mission's most notable discoveries and popular cosmic eye candy.
PIA19872:
NASA's Spitzer 12th Anniversary Space Calendar
Full Resolution:     TIFF (38.9 MB)     JPEG (1.945 MB)
Add Image to Favorite List 2015-08-20 Spitzer Space Telescope
 Spitzer Space Telescope
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Scores of baby stars shrouded by dust are revealed in this infrared image of the star-forming region NGC 2174, as seen by NASA's Spitzer Space Telescope. Found in the constellation Orion, NGC 2174 is located around 6,400 light-years away.
PIA19836:
Seeing Beyond the 'Monkey Head'
Full Resolution:     TIFF (24.08 MB)     JPEG (444.6 kB)
Add Image to Favorite List 2015-08-19 Sol (our sun) SDO
 Atmosphere Imaging Assembly
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This still image from an animation from NASA GSFC's Solar Dynamics Observatory shows a single plume of plasma, many times taller than the diameter of Earth, spewing streams of particles for over two days (Aug. 17-19, 2015) before breaking apart.
PIA19875:
Eiffel Tower Plume Animation Icon
Full Resolution:     TIFF (1.194 MB)     JPEG (53.77 kB)
Add Image to Favorite List 2015-08-06 Sol (our sun) SDO
 Atmosphere Imaging Assembly
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This still image from an animation from NASA GSFC's Solar Dynamics Observatory shows magnetically charged particles forming a nicely symmetrical arch at the edge of the Sun as they followed the magnetic field lines of an active region (Aug.4-5, 2015).
PIA19874:
A Golden Arch Animation Icon
Full Resolution:     TIFF (1.374 MB)     JPEG (54.66 kB)
Add Image to Favorite List 2015-07-30 Spitzer Space Telescope
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This artist's rendition shows one possible appearance for the planet HD 219134b, the nearest confirmed rocky exoplanet found to date outside our solar system.
PIA19833:
Hot, Rocky World (Artist's Concept) Animation Icon
Full Resolution:     TIFF (38.9 MB)     JPEG (834.4 kB)
Add Image to Favorite List 2015-07-30 Spitzer Space Telescope
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This sky map shows the location of the star HD 219134 (circle), host to the nearest confirmed rocky planet found to date outside of our solar system. The star lies just off the 'W' shape of the constellation Cassiopeia.
PIA19832:
Location of Nearest Rocky Exoplanet Known
Full Resolution:     TIFF (9.941 MB)     JPEG (292.6 kB)
Add Image to Favorite List 2015-07-30 Spitzer Space Telescope
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This artist's conception shows the silhouette of a rocky planet, dubbed HD 219134b, as it passes in front of its star. At 21 light-years away, the planet is the closest outside of our solar system that can be seen crossing, or transiting, its star.
PIA19831:
Little Black Spot on the Star Today (Artist's Concept) Animation Icon
Full Resolution:     TIFF (17.28 MB)     JPEG (295.3 kB)
Add Image to Favorite List 2015-07-23 Kepler
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A newly discovered exoplanet, Kepler-452b, comes the closest of any found so far to matching our Earth-sun system.
PIA19830:
Pantheon of Planets Similar to Earth (Artist's Concept)
Full Resolution:     TIFF (28.32 MB)     JPEG (411.4 kB)
Add Image to Favorite List 2015-07-23 Kepler
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Of the 1,030 confirmed planets from Kepler, a dozen are less than twice the size of Earth and reside in the habitable zone of their host stars. In this diagram, the sizes of the exoplanets are represented by the size of each sphere.
PIA19827:
Kepler's Small Habitable Zone Planets
Full Resolution:     TIFF (36.01 MB)     JPEG (382.5 kB)
Add Image to Favorite List 2015-07-23 Kepler
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This size and scale of the Kepler-452 system compared alongside the Kepler-186 system and the solar system. Kepler-186 is a miniature solar system that would fit entirely inside the orbit of Mercury.
PIA19826:
Planetary System Comparisons
Full Resolution:     TIFF (24.49 MB)     JPEG (341 kB)
Add Image to Favorite List 2015-07-23 Kepler
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Scientists used data from NASA's Kepler mission in this artist's concept confirming the first near-Earth-size planet orbiting in the habitable zone of a sun-like star.
PIA19825:
Earth's Bigger, Older Cousin (Artist's Concept)
Full Resolution:     TIFF (34.71 MB)     JPEG (497.3 kB)
Add Image to Favorite List 2015-07-23 Kepler
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This artist's concept depicts one possible appearance of the planet Kepler-452b, the first near-Earth-size world to be found in the habitable zone of star that is similar to our sun.
PIA19824:
Soaking up the Rays of a Sun-like Star (Artist's Concept) Animation Icon
Full Resolution:     TIFF (34.71 MB)     JPEG (403.9 kB)
Add Image to Favorite List 2015-07-10 Sol (our sun) Mars Science Laboratory (MSL)
 Mastcam
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This single frame from a sequence of six images of an animation shows sunspots as viewed by NASA's Curiosity Mars rover from April 4 to April 15, 2015. From Mars, the rover was in position to see the opposite side of the sun.
PIA19802:
Tracking Sunspots from Mars, April 2015 (Animation) Animation Icon
Full Resolution:     TIFF (320.9 kB)     JPEG (25.3 kB)
Add Image to Favorite List 2015-07-10 Sol (our sun) Mars Science Laboratory (MSL)
 Mastcam
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This single frame from a sequence of images shows sunspots as viewed by NASA's Curiosity Mars rover from June 27 to July 8, 2015; the rover was in position to see the opposite side of the sun from the side facing Earth during this period.
PIA19801:
Tracking Sunspots from Mars, Summer 2015 (Animation) Animation Icon
Full Resolution:     TIFF (320.9 kB)     JPEG (22.27 kB)
Add Image to Favorite List 2015-07-10 Sol (our sun) SDO
 Atmosphere Imaging Assembly
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An eruption from the surface of the sun is conspicuous in the lower left portion of this July 6, 2015, image from NASA's Earth-orbiting Solar Dynamics Observatory (SDO).
PIA19680:
Solar Activity Seen at Sunspot Site Tracked by Mars Rover
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Add Image to Favorite List 2015-07-08 Sol (our sun) NuSTAR
 NuSTAR
SDO
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Flaring, active regions of our sun are highlighted in this image combining observations from several telescopes. During the observations, microflares went off, which are smaller versions of the larger flares that also erupt from the sun's surface.
PIA19821:
NuSTAR Stares at the Sun
Full Resolution:     TIFF (50.35 MB)     JPEG (797.3 kB)
Add Image to Favorite List 2015-07-06 NuSTAR
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A montage of images showing an artist's concept of NuSTAR (top); a color image of one of the galaxies targeted by NuSTAR (lower left); and artist's concept of a hidden black hole.
PIA19348:
NuSTAR Seeks Hidden Black Holes
Full Resolution:     TIFF (7.272 MB)     JPEG (204.9 kB)
Add Image to Favorite List 2015-07-02 Chandra X-ray Observatory
Spitzer Space Telescope
 IRAC
Kitt Peak National Observatory
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This image, containing data from NASA's Spitzer and Chandra space telescopes, shows a cluster of young stars expected to burn for billions of years.
PIA19347:
Cosmic Sparklers
Full Resolution:     TIFF (38.89 MB)     JPEG (614.9 kB)
Add Image to Favorite List 2015-06-30 Sol (our sun) SDO
 Atmosphere Imaging Assembly
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This still image from an animation from NASA GSFC's Solar Dynamics Observatory shows dark strands of plasma hovering above the Sun's surface beginning to interact with each other in a form of tug of war over two and a half days (June 28-30, 2015).
PIA18210:
Plasma Push and Pull Animation Icon
Full Resolution:     TIFF (1.272 MB)     JPEG (34.16 kB)
Add Image to Favorite List 2015-06-25 Spitzer Space Telescope
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This artist's concept shows a hypothetical 'rejuvenated' planet,a gas giant that has reclaimed its youthful infrared glow. NASA's Spitzer Space Telescope found tentative evidence for one such planet around a dead star, or white dwarf, called PG 0010+280.
PIA19346:
Hypothetical 'Rejuvenated' Planets (Artist's Concept)
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Add Image to Favorite List 2015-06-11 Spitzer Space Telescope
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NASA's Spitzer Space Telescope observed a proposed helium planet, GJ 436b.This diagram illustrates how hypothetical helium atmospheres might form. These would be on planets about the mass of Neptune, or smaller.
PIA19345:
How to Make a Helium Atmosphere
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Add Image to Favorite List 2015-06-11 Spitzer Space Telescope
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Planets having atmospheres rich in helium may be common in our galaxy, according to a new theory based on data from NASA's Spitzer Space Telescope. This artist's concept depicts a proposed helium-atmosphere planet called GJ 436b.
PIA19344:
Helium-Shrouded Planets (Artist's Concept) Animation Icon
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Add Image to Favorite List 2015-06-03 Milky Way Wide-field Infrared Survey Explorer (WISE)
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Astronomers using data from NASA's WISE are helping to trace the shape of our Milky Way galaxy's spiral arms. Here, WISE data revealed clusters of young stars shrouded in dust, called embedded clusters, which are known to reside in spiral arms.
PIA19341:
Tracing the Arms of our Milky Way Galaxy
Full Resolution:     TIFF (5.135 MB)     JPEG (145.1 kB)
Add Image to Favorite List 2015-05-28 Herschel Space Observatory
 PACS
SPIRE
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This image from NASA's Herschel space observatory shows a filament called G49, which contains 80,000 suns' worth of mass. Long and flimsy threads emerge from a twisted mix of material, taking on complex shapes.
PIA19340:
Herschel's View of G49 Filament
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Add Image to Favorite List 2015-05-21 Wide-field Infrared Survey Explorer (WISE)
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This artist's concept of the galaxy named WISE J224607.57-052635.0, is erupting with light equal to more than 300 trillion sunset; it was discovered by NASA's Wide-Field Infrared Survey Explorer, or WISE.
PIA19339:
Dusty 'Sunrise' at Core of Galaxy (Artist's Concept)
Full Resolution:     TIFF (27.01 MB)     JPEG (447.1 kB)
Add Image to Favorite List 2015-05-07 NuSTAR
 NuSTAR
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NASA's NuSTAR has made the most precise measurements yet of a radioactive element, called titanium-44, in the supernova remnant called 1987A.
PIA19335:
Tracing Titanium's Escape
Full Resolution:     TIFF (15.12 MB)     JPEG (299.3 kB)
Add Image to Favorite List 2015-04-29 NuSTAR
 NuSTAR
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This picture from NASA's NuSTAR is one of the most detailed ever taken of the center of our galaxy in high-energy X-rays. The X-ray light, normally invisible to our eyes, has been assigned the color magenta.
PIA19334:
Extra X-rays at the Hub of Our Milky Way Galaxy
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Add Image to Favorite List 2015-04-14 Spitzer Space Telescope
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This artist's map of the Milky Way shows the location of one of the farthest known exoplanets, lying 13,000 light-years away. Most of the thousands of exoplanets discovered to date are closer to our solar system, as indicated by the pink/orange areas.
PIA19333:
Map of Exoplanets Found in Our Galaxy (Artist's Concept)
Full Resolution:     TIFF (21.34 MB)     JPEG (500.1 kB)
Add Image to Favorite List 2015-04-14 Spitzer Space Telescope
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This infographic explains how NASA's Spitzer Space Telescope can be used in tandem with a telescope on the ground to measure the distances to planets discovered using the 'microlensing' technique.
PIA19332:
Infographic: Finding Planets With Microlensing
Full Resolution:     TIFF (24.89 MB)     JPEG (613.4 kB)
Add Image to Favorite List 2015-04-14 Spitzer Space Telescope
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This plot shows data obtained from NASA's Spitzer Space Telescope, and the Optical Gravitational Lensing Experiment telescope located in Chile, during a 'microlensing' event.
PIA19331:
Time Delay in Microlensing Event
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Add Image to Favorite List 2015-04-03 Sol (our sun) SDO
 Atmosphere Imaging Assembly
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A pair of substantial coronal holes were the most notable features on the Sun over the week of Mar. 28 - Apr. 2, 2015. The images were taken in a wavelength of extreme ultraviolet light by NASA GSFC's Solar Dynamics Observatory.
PIA17915:
Two Coronal Holes Animation Icon
Full Resolution:     TIFF (1.46 MB)     JPEG (52.39 kB)
Add Image to Favorite List 2015-03-31 Planck
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This map of the entire sky was captured by the European Space Agency's Planck mission. The band running through the middle corresponds to dust in our Milky Way galaxy.
PIA19330:
Astronomers Dig Up Treasure Trove of Galaxy Clusters
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Add Image to Favorite List 2015-03-26 Galaxy Evolution Explorer (GALEX)
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A new study analyzes several sites where dead stars once exploded. The explosions, called Type Ia supernovae, occurred within galaxies, six of which are shown in these images from the Sloan Digital Sky Survey.
PIA18929:
After the Explosion: Investigating Supernova Sites
Full Resolution:     TIFF (4.322 MB)     JPEG (117.5 kB)
Add Image to Favorite List 2015-03-26 NEOWISE
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NASA's NEOWISE spacecraft viewed comet C/2014 Q2 (Lovejoy) for a second time on January 30, 2015, as the comet passed through the closest point to our sun along its 14,000-year orbit, at a solar distance of 120 million miles (193 million kilometers).
PIA19354:
NEOWISE Wise to Comet Lovejoy
Full Resolution:     TIFF (9.713 MB)     JPEG (150.8 kB)
Add Image to Favorite List 2015-03-23 Spitzer Space Telescope
 IRAC
Kitt Peak National Observatory
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Infrared images from instruments at Kitt Peak National Observatory (left) and NASA's Spitzer Space Telescope document the outburst of HOPS 383, a young protostar in the Orion star-formation complex.
PIA18928:
Embryonic Star's Outburst
Full Resolution:     TIFF (27.12 MB)     JPEG (509.5 kB)
Add Image to Favorite List 2015-03-04 1160x876x3
The four stars and one planet of the 30 Ari system are illustrated in this diagram. This quadruple star system consists of two pairs of stars: 30 Ari B and 30 Ari A.
PIA18927:
Double Date: Two Pairs of Stars in One System
Full Resolution:     TIFF (3.05 MB)     JPEG (57.54 kB)
Add Image to Favorite List 2015-03-04 3300x2550x3
This artist's conception shows the 30 Ari system, which includes four stars and a planet. The planet, a gas giant, orbits its primary star (yellow) in about a year's time.
PIA18926:
Planet With Four Stars (Artist's Concept)
Full Resolution:     TIFF (25.26 MB)     JPEG (1.486 MB)
Add Image to Favorite List 2015-02-19 NuSTAR
XMM-Newton
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Supermassive black holes at the cores of galaxies blast radiation and ultra-fast winds outward, as illustrated in this artist's conception based on NASA's NuSTAR and ESA's XMM-Newton telescopes.
PIA18919:
How Black Hole Winds Blow (Artist's Concept)
Full Resolution:     TIFF (30.74 MB)     JPEG (1.644 MB)
Add Image to Favorite List 2015-02-19 NuSTAR
XMM-Newton
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This plot of data from two space telescopes, NASA's NuSTAR and ESA's XMM-Newton determines for the first time the shape of ultra-fast winds from supermassive black holes, or quasars.
PIA18918:
The Answer is Blowing in the Black Hole Wind
Full Resolution:     TIFF (21.61 MB)     JPEG (407.3 kB)
Add Image to Favorite List 2015-02-10 Hubble Space Telescope
 WFPC2
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This image from the NASA/ESA Hubble Space Telescope shows a galaxy cluster, SDSS J1038+4849, that appears to have two eyes and a nose as part of a happy face. The 'face' is the result of gravitational lensing.
PIA18794:
Smile, and the Universe Smiles With You
Full Resolution:     TIFF (1.702 MB)     JPEG (37.58 kB)
Add Image to Favorite List 2015-02-05 Planck
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A visualization of the polarization of the Cosmic Microwave Background, or CMB, as detected by ESA's Planck satellite over the entire sky.
PIA18916:
Polarization of the Cosmic Microwave Background
Full Resolution:     TIFF (8.643 MB)     JPEG (439.6 kB)
Add Image to Favorite List 2015-02-05 Milky Way Planck
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Our Milky Way galaxy is ablaze with dust in this new all-sky map from Planck, a European Space Agency mission with important NASA contributions. The towers of fiery colors are actually dust in the galaxy and beyond that has been polarized.
PIA18915:
Polarized Dust Lights Up Milky Way
Full Resolution:     TIFF (271.6 MB)     JPEG (6.333 MB)
Add Image to Favorite List 2015-02-05 Planck
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Matter lying between Earth and the edge of the observable universe is shown in this all-sky map from Planck, a European Space Agency mission with important NASA contributions.
PIA18914:
Universal Matter
Full Resolution:     TIFF (271.6 MB)     JPEG (2.144 MB)
Add Image to Favorite List 2015-02-05 Milky Way Planck
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A new, dynamic portrait of our Milky Way galaxy shows a frenzy of gas, charged particles and dust as seen by the European Space Agency's Planck mission.
PIA18913:
Milky Way Untangled
Full Resolution:     TIFF (108 MB)     JPEG (2.399 MB)
Add Image to Favorite List 2015-02-05 Milky Way Planck
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This composite image comes from the ESA's Planck shows a festive portrait of our Milky Way galaxy shows a mishmash of gas, charged particles and several types of dust.
PIA18912:
A Milky Way 'Mixer' Amongst the Stars
Full Resolution:     TIFF (271.6 MB)     JPEG (4.538 MB)
Add Image to Favorite List 2015-01-30 Planck
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The color scale in this image from the Planck mission represents the emission from dust, a minor but crucial component that pervades our Milky Way galaxy. The texture indicates the orientation of the galactic magnetic field.
PIA18911:
Planck's View of BICEP2/Keck Array Field
Full Resolution:     TIFF (4.322 MB)     JPEG (299.3 kB)
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