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List		 Addition DateSort Ascending Target Mission Instrument Size
Add Image to Favorite List 2013-03-21 Planck
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This map shows the oldest light in our universe, as detected with the greatest precision yet by ESA's Planck mission. The ancient light, called the cosmic microwave background, was imprinted on the sky when the universe was 370,000 years old.
PIA16873:
Best Map Ever of the Universe
Full Resolution:     TIFF (19.45 MB)     JPEG (2.28 MB)
Add Image to Favorite List 2013-03-21 Planck
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This illustration summarizes the almost 14-billion-year-long history of our universe. It shows the main events that occurred between the initial phase of the cosmos.
PIA16876:
The Story of Our Universe
Full Resolution:     TIFF (37.29 MB)     JPEG (784.4 kB)
Add Image to Favorite List 2013-03-21 Planck
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This detailed map of the oldest light in our universe allowed scientists to take the most precise inventory of the universe's ingredients to date.
PIA16878:
Refining the Ingredients of Our Universe
Full Resolution:     TIFF (3.01 MB)     JPEG (47 kB)
Add Image to Favorite List 2013-03-21 Planck
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Tones represents sound waves that traveled through the early universe, and were later 'heard' by ESA's Planck space telescope. The primordial sound waves have been translated into frequencies we can hear.
PIA16881:
Sounds of the Ancient Universe
Full Resolution:     TIFF (8.126 MB)     JPEG (186.9 kB)
Add Image to Favorite List 2013-03-21 Planck
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This artist's concept depicts the 'life' of a photon, or particle of light, as it travels across space and time, from the very early universe ESA's Planck satellite.
PIA16882:
A Journey of Light Through Space and Time Animation Icon
Full Resolution:     TIFF (2.754 MB)     JPEG (81.33 kB)
Add Image to Favorite List 2013-03-29 Herschel Space Observatory
 PACS
SPIRE
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W3 is an enormous stellar nursery about 6,200 light-years away in the Perseus Arm, one of the Milky Way galaxy's main spiral arms as seen by ESA's Herschel space observatory.
PIA16883:
Churning Out Stars
Full Resolution:     TIFF (6.456 MB)     JPEG (182.4 kB)
Add Image to Favorite List 2013-04-01 Prometheus Cassini-Huygens
 ISS - Narrow Angle
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Like a shepherd guarding his sheep, Prometheus keeps a lonely watch over the F ring in this image captured by NASA's Cassini spacecraft.
PIA14657:
A Shepherd's Watch
Full Resolution:     TIFF (1.033 MB)     JPEG (44.87 kB)
Add Image to Favorite List 2013-04-03 Chandra X-ray Observatory
Hubble Space Telescope
Spitzer Space Telescope
 Chandra X-ray Telescope
IRAC
Visible-Light
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The tip of the 'wing' of the Small Magellanic Cloud galaxy is dazzling in this new view from NASA's Great Observatories. The SMC, is a small galaxy about 200,000 light-years way that orbits our own Milky Way spiral galaxy.
PIA16884:
Taken Under the 'Wing' of the Small Magellanic Cloud
Full Resolution:     TIFF (38.89 MB)     JPEG (1.685 MB)
Add Image to Favorite List 2013-04-04 Kepler
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This artist's concept depicts an ultra-dense dead star, called a white dwarf, passing in front of a small red star. NASA's planet-hunting Kepler was able to detect gravitational lensing by measuring a strangely subtle dip in the star's brightness.
PIA16885:
Dead Star Warps Light of Red Star (Artist's Animation) Animation Icon
Full Resolution:     TIFF (44.26 MB)     JPEG (907.2 kB)
Add Image to Favorite List 2013-04-04 Kepler
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This chart shows data from NASA's Kepler space telescope, which looks for planets by monitoring changes in the brightness of stars. As planets orbit in front of a star, they block the starlight, causing periodic dips.
PIA16886:
White Dwarfs: Small and Strong
Full Resolution:     TIFF (21.61 MB)     JPEG (404.9 kB)
Add Image to Favorite List 2013-04-17 Herschel Space Observatory
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This artist's impression shows the 'starburst' galaxy HFLS3. The galaxy appears as little more than a faint, red smudge in images from the Herschel space observatory.
PIA16887:
Artist's Impression of Starburst Galaxy
Full Resolution:     TIFF (4.917 MB)     JPEG (211.9 kB)
Add Image to Favorite List 2013-04-18 Kepler
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This diagram compares the planets of the inner solar system to Kepler-62, a five-planet system about 1,200 light-years from Earth in the constellation Lyra. At seven billion years old, the star is somewhat older than the sun.
PIA16889:
Kepler-62 and the Solar System
Full Resolution:     TIFF (24.49 MB)     JPEG (379 kB)
Add Image to Favorite List 2013-04-18 Kepler
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This diagram compares the planets of the inner solar system to Kepler-69, a two-planet system about 2,700 light-years from Earth in the constellation Cygnus.
PIA17000:
Kepler-69 and the Solar System
Full Resolution:     TIFF (24.49 MB)     JPEG (346.2 kB)
Add Image to Favorite List 2013-04-19 Hubble Space Telescope
 WFC3
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Backlit wisps along the Horsehead Nebula's upper ridge are being illuminated by Sigma Orionis, a young five-star system just off the top of this image from the Hubble Space Telescope.
PIA16008:
Hubble Sees a Horsehead of a Different Color
Full Resolution:     TIFF (18.43 MB)     JPEG (700.1 kB)
Add Image to Favorite List 2013-04-22 Daphnis Cassini-Huygens
 ISS - Narrow Angle
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The tiny wavemaker moon Daphnis is dwarfed by the very waves it creates on the edge of the Keeler gap as seen by NASA's Cassini spacecraft.
PIA14648:
Dwarfed Wavemaker
Full Resolution:     TIFF (1.042 MB)     JPEG (57.27 kB)
Add Image to Favorite List 2013-04-23 Hubble Space Telescope
Wide-field Infrared Survey Explorer (WISE)
 WISE Telescope
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The tiny red spot in this image is one of the most efficient star-making galaxies ever observed, converting gas into stars at the maximum possible rate. The galaxy is shown here is from NASA's WISE, which first spotted the rare galaxy in infrared light.
PIA17005:
Galaxy Packs Big Star-Making Punch
Full Resolution:     TIFF (34.93 MB)     JPEG (1.316 MB)
Add Image to Favorite List 2013-05-06 Spitzer Space Telescope
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In this image, an artistic version of a hot Jupiter inspired by computer simulations has been inserted into a photo showing a Spitzer researcher, Heather Knutson, in a laboratory.
PIA17008:
An Astronomer's Fantasy: Planets in the Lab
Full Resolution:     TIFF (32.01 MB)     JPEG (1.025 MB)
Add Image to Favorite List 2013-05-07 Herschel Space Observatory
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This artist's concept illustrates the frenzied activity at the core of our Milky Way galaxy. The galactic center hosts a supermassive black hole in the region known as Sagittarius A*, or Sgr A*, with a mass of about four million times that of our sun.
PIA17009:
Hustle and Bustle at Center of Milky Way
Full Resolution:     TIFF (25.17 MB)     JPEG (500.7 kB)
Add Image to Favorite List 2013-05-16 Spitzer Space Telescope
 IRAC
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This image captured by NASA's Spitzer Space Telescope shows galaxy Messier 94, also known as NGC 4736? At first glance one might see a number of them, astronomers believe there is just one.
PIA17011:
Galactic Wheels within Wheels
Full Resolution:     TIFF (23.87 MB)     JPEG (733.1 kB)
Add Image to Favorite List 2013-05-22 Herschel Space Observatory
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This frame from a simulation shows the merging of two massive galaxies. The merging galaxies are split into two views: a visible-light view on the left, and infrared view on the right.
PIA17012:
Mega Galaxy Merger Animation Icon
Full Resolution:     TIFF (2.758 MB)     JPEG (43.5 kB)
Add Image to Favorite List 2013-05-22 Herschel Space Observatory
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ESA's Herschel Space Observatory first spotted the colliding duo in images taken with longer-wavelength infrared light (left) with a close-up view at right, with merging galaxies circled.
PIA17013:
The Making of a Giant Galaxy
Full Resolution:     TIFF (10.8 MB)     JPEG (211.3 kB)
Add Image to Favorite List 2013-05-24 899x709x3
Created with the help of supercomputers, this frame from a simulation shows the formation of a massive galaxy during the first 2 billion years of the universe.
PIA17014:
Cosmic Swirly Straws Feed Galaxy Animation Icon
Full Resolution:     TIFF (1.913 MB)     JPEG (25.9 kB)
Add Image to Favorite List 2013-05-24 Spitzer Space Telescope
 IRAC
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This cloud of glowing gas is the Iris nebula, also called NGC 7023.as seen in infrared light by NASA's Spitzer Space Telescope. It lies 1,300 light-years away in the Cepheus constellation.
PIA17015:
Infrared Iris
Full Resolution:     TIFF (2.766 MB)     JPEG (58.18 kB)
Add Image to Favorite List 2013-06-05 Spitzer Space Telescope
 IRAC
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This infrared image from NASA's Spitzer Space Telescope shows a striking example of what is called a hierarchical bubble structure, in which one giant bubble, carved into the dust of space by massive stars, has triggered the formation of smaller bubbles.
PIA17017:
Bubbles Within Bubbles
Full Resolution:     TIFF (32.68 MB)     JPEG (1.799 MB)
Add Image to Favorite List 2013-06-05 Spitzer Space Telescope
Wide-field Infrared Survey Explorer (WISE)
 IRAC
WISE Telescope
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Dozens of newborn stars sprouting jets from their dusty cocoons have been spotted in images from NASA's Spitzer Space Telescope. This view shows a portion of sky near Canis Major.
PIA17018:
Stars Shoot Jets in Cosmic Playground
Full Resolution:     TIFF (27.01 MB)     JPEG (1.76 MB)
Add Image to Favorite List 2013-06-05 Spitzer Space Telescope
Wide-field Infrared Survey Explorer (WISE)
 IRAC
WISE Telescope
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In what may look to some like an undersea image of coral and seaweed, a new image from NASA's Spitzer Space Telescope is showing the birth and death of stars.
PIA17019:
Life and Death Intermingled
Full Resolution:     TIFF (189.1 MB)     JPEG (10.27 MB)
Add Image to Favorite List 2013-06-06 Kepler
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Researchers using data from NASA's Kepler space telescope have shown that migrating planets stop their inward journey before reaching their stars, as illustrated in this artist's concept.
PIA17242:
On the Road Toward a Star, Planets Halt Their Migration (Artist Concept)
Full Resolution:     TIFF (34.71 MB)     JPEG (1.191 MB)
Add Image to Favorite List 2013-06-10 S Rings Cassini-Huygens
 ISS - Narrow Angle
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In this image, NASA's Cassini spacecraft has captured some of the structure of the tenuous D ring, appearing here as light/dark banding in the upper-right of the image.
PIA14664:
A Long, Hard Stare
Full Resolution:     TIFF (1.033 MB)     JPEG (38.97 kB)
Add Image to Favorite List 2013-06-11 NuSTAR
 NuSTAR
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The Sculptor galaxy is seen in a new light, in this composite image from NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) and the European Southern Observatory in Chile.
PIA17244:
Sculptor Galaxy Shines with X-rays
Full Resolution:     TIFF (73.99 MB)     JPEG (547.1 kB)
Add Image to Favorite List 2013-06-11 Herschel Space Observatory
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This illustration shows a newfound reservoir of stellar fuel discovered by the Herschel space observatory.
PIA17243:
Mapping Invisible Pools of Gas in Our Galaxy (Illustration)
Full Resolution:     TIFF (27.01 MB)     JPEG (379.7 kB)
Add Image to Favorite List 2013-06-27 Sol (our sun) Voyager
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This artist's concept shows NASA's two Voyager spacecraft exploring a turbulent region of space known as the heliosheath, the outer shell of the bubble of charged particles around our sun.
PIA17033:
Voyagers in the Heliosheath (Cropped)
Full Resolution:     TIFF (4.585 MB)     JPEG (80.83 kB)
Add Image to Favorite List 2013-06-27 Sol (our sun) Voyager
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This artist's concept shows NASA's Voyager 1 spacecraft exploring a region called the 'depletion region' or 'magnetic highway' at the outer limits of our heliosphere, the bubble the sun blows around itself.
PIA17034:
Transitional Regions at the Heliosphere's Outer Limits
Full Resolution:     TIFF (2.804 MB)     JPEG (110 kB)
Add Image to Favorite List 2013-06-28 Galaxy Evolution Explorer (GALEX)
 GALEX Telescope
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This image from NASA's Galaxy Evolution Explorer (GALEX) shows Messier 94, also known as NGC 4736, in ultraviolet light. It is located 17 million light-years away in the constellation Canes Venatici.
PIA17245:
Ultraviolet Ring of Stars
Full Resolution:     TIFF (6.753 MB)     JPEG (390.5 kB)
Add Image to Favorite List 2013-07-03 Voyager
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This artist's concept shows NASA's Voyager spacecraft against a field of stars in the darkness of space as they travel farther away from Earth, on a journey to interstellar space, and will eventually circle around the center of the Milky Way galaxy.
PIA17036:
Voyager the Explorer
Full Resolution:     TIFF (1.441 MB)     JPEG (71.28 kB)
Add Image to Favorite List 2013-07-12 1280x720x3
This image shows the dust density and the growth of structure in a simulated disk, which extends about 100 times farther from its star than Earth's orbit around the sun.
PIA17249:
Disk Patterns Form Without Planets
Full Resolution:     TIFF (2.766 MB)     JPEG (68.87 kB)
Add Image to Favorite List 2013-07-17 Kepler
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This artist's concept shows a Super Venus planet on the left, and a Super Earth on the right. Researchers use a concept known as the habitable zone to distinguish between these two types of planets, which exist beyond our solar system.
PIA17250:
Toxic Wasteland or Lush Paradise? (Artist Concept)
Full Resolution:     TIFF (30.75 MB)     JPEG (1.485 MB)
Add Image to Favorite List 2013-07-22 Earth MESSENGER
 MDIS - Wide Angle
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Looking Back at Us
PIA17388:
Looking Back at Us
Full Resolution:     TIFF (4.241 MB)     JPEG (77.1 kB)
Add Image to Favorite List 2013-07-22 S Rings MESSENGER
Cassini-Huygens
 ISS - Wide Angle
MDIS - Wide Angle
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These images show views of Earth and the moon from NASA's Cassini (left) and MESSENGER spacecraft (right) from July 19, 2013.
PIA17038:
Two Views of Home
Full Resolution:     TIFF (5.172 MB)     JPEG (67.76 kB)
Add Image to Favorite List 2013-07-22 S Rings Cassini-Huygens
 ISS - Wide Angle
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In this rare image taken on July 19, 2013, the wide-angle camera on NASA's Cassini spacecraft has captured Saturn's rings and our planet Earth and its moon in the same frame.
PIA17171:
The Day the Earth Smiled: Sneak Preview
Full Resolution:     TIFF (2.409 MB)     JPEG (43.81 kB)
Add Image to Favorite List 2013-07-31 Spitzer Space Telescope
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In this artist's impression, a pair of stars peeks out from a tilted disk twirling around them, allowing astronomers to monitor their 'blinking' pattern.
PIA17252:
Dusty Hula Hoop Rings 'Blinking' Stellar Duo (Illustration)
Full Resolution:     TIFF (24.89 MB)     JPEG (497.5 kB)
Add Image to Favorite List 2013-08-21 Wide-field Infrared Survey Explorer (WISE)
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This artist's concept shows the NASA's WISE spacecraft, in its orbit around Earth. In September of 2013, engineers will attempt to bring the mission out of hibernation to hunt for more asteroids and comets in a project called NEOWISE.
PIA17254:
NEOWISE: Back to Hunt More Asteroids (Artist Concept)
Full Resolution:     TIFF (48.03 MB)     JPEG (1.66 MB)
Add Image to Favorite List 2013-08-21 Asteroid Wide-field Infrared Survey Explorer (WISE)
 WISE Telescope
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NASA's NEOWISE, snapped this infrared picture of near-Earth object 1998 KN3 as it zips past a cloud of dense gas and dust near the Orion nebula.
PIA17255:
Asteroid Zips By Orion
Full Resolution:     TIFF (7.683 MB)     JPEG (163.5 kB)
Add Image to Favorite List 2013-08-23 Spitzer Space Telescope
 IRAC
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The spectacular swirling arms and central bar of the Sculptor galaxy are revealed in this new view from NASA's Spitzer Space Telescope.
PIA17256:
The Barred Sculptor Galaxy
Full Resolution:     TIFF (25.93 MB)     JPEG (436.8 kB)
Add Image to Favorite List 2013-08-23 Spitzer Space Telescope
 IRAC
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Massive stars can wreak havoc on their surroundings, as can be seen in this new view of the Carina nebula from NASAs Spitzer Space Telescope.
PIA17257:
The Tortured Clouds of Eta Carinae
Full Resolution:     TIFF (122.9 MB)     JPEG (5.541 MB)
Add Image to Favorite List 2013-09-10 Comet Spitzer Space Telescope
 IRAC
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With the help of NASA's Spitzer Space Telescope, astronomers have discovered that what was thought to be a large asteroid called Don Quixote is in fact a comet.
PIA17443:
Spitzer Spies a Comet Coma and Tail
Full Resolution:     TIFF (17.29 MB)     JPEG (189.8 kB)
Add Image to Favorite List 2013-09-12 Sol (our sun) Voyager
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Voyager 1 has entered interstellar space. NASA's spacecraft, which rose from Earth on a September morning 36 years ago, has traveled farther than anyone, or anything, in history.
PIA17046:
Voyager Goes Interstellar (Artist Concept)
Full Resolution:     TIFF (49.32 MB)     JPEG (3.534 MB)
Add Image to Favorite List 2013-09-12 Sol (our sun) Voyager
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This artist's concept shows the general locations of NASA's two Voyager spacecraft. Voyager 1 (top) has sailed beyond our solar bubble into interstellar space. Voyager 2 (bottom) is still exploring the outer layer of the solar bubble.
PIA17048:
One Voyager Out, One Voyager In (Artist Concept)
Full Resolution:     TIFF (2.766 MB)     JPEG (65.1 kB)
Add Image to Favorite List 2013-09-12 Sol (our sun) Voyager
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This artist's concept shows NASA's Voyager spacecraft against a backdrop of stars.
PIA17049:
Voyager in Space (Artist Concept)
Full Resolution:     TIFF (2.766 MB)     JPEG (35.7 kB)
Add Image to Favorite List 2013-09-12 Sol (our sun) Voyager
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This graphic of Voyager 1 shows its location when it crossed into interstellar space.
PIA17441:
Observed Change in Density Shows Voyager is in Interstellar Space
Full Resolution:     TIFF (2.766 MB)     JPEG (44.37 kB)
Add Image to Favorite List 2013-09-12 Sol (our sun) Voyager
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This artist's concept shows the outer layers of our solar bubble, or heliosphere, and nearby interstellar space. NASA's Voyager 1 is currently exploring a region of interstellar space.
PIA17460:
Moving into Interstellar Space (Artist Concept)
Full Resolution:     TIFF (2.766 MB)     JPEG (120.1 kB)
Add Image to Favorite List 2013-09-12 Sol (our sun) Voyager
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This artist's concept depicts NASA's Voyager 1 spacecraft entering interstellar space. Interstellar space is dominated by the plasma, or ionized gas, that was ejected by the death of nearby giant stars millions of years ago.
PIA17462:
Voyager 1 Entering Interstellar Space (Artist Concept)
Full Resolution:     TIFF (113.3 MB)     JPEG (938.1 kB)
Add Image to Favorite List 2013-09-12 Sol (our sun) Voyager
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This schematic shows our solar bubble moving through nearby interstellar space, or the space between stars.
PIA17463:
Heliosphere Traveling Through Interstellar Space
Full Resolution:     TIFF (2.766 MB)     JPEG (72.59 kB)
Add Image to Favorite List 2013-10-17 S Rings Cassini-Huygens
 ISS - Narrow Angle
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The shadow of Saturn cuts across the rings as seen by NASA's Cassini spacecraft. As the ring particles enter Saturn's shadow, their temperature drops to even colder temperatures, only to warm back up again when they re-emerge into the sunlight.
PIA17137:
Cool Shadow
Full Resolution:     TIFF (1.033 MB)     JPEG (42.37 kB)
Add Image to Favorite List 2013-10-23 Planck
 Planck Telescope
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The oldest light in the universe, called the cosmic microwave background, as observed by the Planck space telescope is shown in the oval sky map. An artist's concept of Planck is next to the map.
PIA17449:
Planck and the Cosmic Microwave Background (Artist Concept)
Full Resolution:     TIFF (59.3 MB)     JPEG (4.399 MB)
Add Image to Favorite List 2013-10-25 Kepler
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This artist's concept illustrates the fate of two different planets: the one on the left is similar to Earth, made up largely of silicate-based rocks with oceans coating its surface.
PIA17550:
A Tale of Two Worlds: Silicate Versus Carbon Planets (Artist Concept)
Full Resolution:     TIFF (48.02 MB)     JPEG (793.5 kB)
Add Image to Favorite List 2013-10-28 Spitzer Space Telescope
 IRAC
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This trio of ghostly images from NASA's Spitzer Space Telescope shows the disembodied remains of dying stars called planetary nebulas. Planetary nebulas are a late stage in a sun-like star's life.
PIA17552:
Death Beckons Three Aging Stars
Full Resolution:     TIFF (21.86 MB)     JPEG (480 kB)
Add Image to Favorite List 2013-10-30 Wide-field Infrared Survey Explorer (WISE)
 WISE Telescope
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An infrared portrait of the Witch Head nebula from NASA's Wide-field Infrared Survey Explorer, or WISE, shows billowy clouds where new stars are brewing.
PIA17553:
'Witch Head' Brews Baby Stars
Full Resolution:     TIFF (252 MB)     JPEG (7.886 MB)
Add Image to Favorite List 2013-10-31 Galaxy Evolution Explorer (GALEX)
Wide-field Infrared Survey Explorer (WISE)
 GALEX Telescope
WISE Telescope
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Evidence from NASA's Wide-field Infrared Survey Explorer and Galaxy Evolution Explorer missions provide support for the 'inside-out' theory of galaxy evolution, which holds that star formation starts at the core of the galaxy and spreads outward.
PIA17554:
Galaxies Grow from Inside Out
Full Resolution:     TIFF (3.196 MB)     JPEG (33.78 kB)
Add Image to Favorite List 2013-11-11 Spitzer Space Telescope
 ALMA
IRAC
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Combined observations from NASA's Spitzer Space Telescope and the newly completed Atacama Large Millimetre/submillimeter Array (ALMA) in Chile have revealed the throes of stellar birth in the well-studied object known as HH 46/47.
PIA17555:
Bubbly Newborn Star
Full Resolution:     TIFF (6.753 MB)     JPEG (150.4 kB)
Add Image to Favorite List 2013-11-12 Saturn Cassini-Huygens
 ISS - Narrow Angle
ISS - Wide Angle
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On July 19, 2013, in an event celebrated the world over, NASA's Cassini spacecraft slipped into Saturn's shadow and turned to image the planet, seven of its moons, its inner rings, and, in the background, our home planet, Earth.
PIA17172:
The Day the Earth Smiled
Full Resolution:     TIFF (94.53 MB)     JPEG (756.3 kB)
Add Image to Favorite List 2013-11-14 Wide-field Infrared Survey Explorer (WISE)
 WISE Telescope
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The new AllWISE catalog will bring distant galaxies that were once invisible out of hiding, as illustrated in this image. At right, a portion of the sky available before the AllWISE project; at left, the same part of the sky in a new AllWISE image.
PIA17557:
AllWISE Brings Galaxies Out of Hiding
Full Resolution:     TIFF (12.24 MB)     JPEG (206.5 kB)
Add Image to Favorite List 2013-11-14 Comet MESSENGER
 MDIS - Wide Angle
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As comets C/2012 S1 (ISON) and the well-known short-period comet 2P/Encke both approached their closest distances to the Sun in November, 2013, they also passed close to the MESSENGER spacecraft orbiting the innermost planet Mercury.
PIA17693:
MESSENGER's First Images of Comets Encke and ISON
Full Resolution:     TIFF (7.938 MB)     JPEG (265.2 kB)
Add Image to Favorite List 2013-12-09 Prometheus Cassini-Huygens
 ISS - Narrow Angle
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Prometheus, seen here by NASA's Cassini spacecraft, sculpting the F ring while Daphnis (too small to discern in this image) raises waves on the edges of the Encke gap.
PIA17140:
Artists at Work
Full Resolution:     TIFF (1.011 MB)     JPEG (44.69 kB)
Add Image to Favorite List 2013-12-09 Mercury MESSENGER
 MDIS - Wide Angle
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Yoshikawa Crater
PIA17770:
Yoshikawa Crater
Full Resolution:     TIFF (1.046 MB)     JPEG (198.5 kB)
Add Image to Favorite List 2013-12-10 Earth Juno
 Star Tracker
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This frame from a movie was captured by a star tracker camera on NASA's Jupiter-bound Juno spacecraft. It was taken over several days as Juno approached Earth for a close flyby that would send the spacecraft onward to the giant planet.
PIA17748:
Juno's Approach to the Earth-Moon System Animation Icon
Full Resolution:     TIFF (545.2 kB)     JPEG (5.373 kB)
Add Image to Favorite List 2013-12-18 Spitzer Space Telescope
 IRAC
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The collection of red dots seen here show one of several very distant galaxy clusters discovered by combining ground-based optical data from the NOAO's Kitt Peak National Observatory with infrared data from NASA's Spitzer Space Telescope.
PIA17565:
Galactic Metropolis
Full Resolution:     TIFF (12 MB)     JPEG (435.8 kB)
Add Image to Favorite List 2013-12-19 NEOWISE
 NEOWISE Telescope
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This is one of the first images captured by the revived NEOWISE mission, after more than two years of hibernation. It shows a patch of sky in the constellation Canes Venatici, or the Hunting Dogs.
PIA17810:
NEOWISE Opens its Eyes
Full Resolution:     TIFF (12.39 MB)     JPEG (388 kB)
Add Image to Favorite List 2013-12-19 Asteroid NEOWISE
 NEOWISE Telescope
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NASA's NEOWISE spacecraft opened its 'eyes' after more than two years of slumber to see the starry sky with the same clarity achieved during its prime mission. This image shows a patch of sky in the constellation Pisces.
PIA17811:
NEOWISE's Next Light
Full Resolution:     TIFF (29.85 MB)     JPEG (990.1 kB)
Add Image to Favorite List 2014-01-06 Spitzer Space Telescope
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Observations from NASA's Spitzer Space Telescope suggest that most brown dwarfs are roiling with one or more planet-size storms such as seen in this artist's concept.
PIA21475:
Brown Dwarf Weather (Artist's Concept)
Full Resolution:     TIFF (1.615 MB)     JPEG (52.96 kB)
Add Image to Favorite List 2014-01-07 Asteroid NEOWISE
 NEOWISE Telescope
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The six red dots in this composite picture indicate the location of the first new near-Earth asteroid, called 2013 YP139, as seen by NASA's NEOWISE.
PIA17829:
NEOWISE's New Find
Full Resolution:     TIFF (20.35 MB)     JPEG (1.182 MB)
Add Image to Favorite List 2014-01-07 Hubble Space Telescope
 Hubble Space Telescope
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The view is a composite of images taken in visible and near-infrared light by NASA's Hubble Space Telescope. Researchers have circled four unusually red objects that appear as they existed just 500 million years after the big bang.
PIA17568:
Distant Galaxies in Goods North
Full Resolution:     TIFF (3.776 MB)     JPEG (240.3 kB)
Add Image to Favorite List 2014-01-24 Asteroid NEOWISE
 NEOWISE Telescope
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The six red dots in this composite picture indicate the location of the first new near-Earth asteroid, called 2013 YP139, as seen by NASA's NEOWISE.
PIA17832:
Asteroid Tracks Among the Stars
Full Resolution:     TIFF (111.5 MB)     JPEG (7.437 MB)
Add Image to Favorite List 2014-01-29 Wide-field Infrared Survey Explorer (WISE)
 WISE Telescope
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Radiation and winds from massive stars have blown a cavity into the surrounding dust and gas, creating the Trifid nebula, as seen here in infrared light by NASA's Wide-field Infrared Survey Explorer, or WISE.
PIA17834:
Storm of Stars in the Trifid Nebula
Full Resolution:     TIFF (50.32 MB)     JPEG (2.289 MB)
Add Image to Favorite List 2014-01-30 Hubble Space Telescope
 WFPC2
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This image from NASA's Hubble Space Telescope shows Herbig-Haro 30, the prototype of a gas-rich 'young stellar object' disk around a star.
PIA17835:
Dark Disks Around Young Stars
Full Resolution:     TIFF (3.031 MB)     JPEG (56.86 kB)
Add Image to Favorite List 2014-02-04 Kepler
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This illustration shows the unusual orbit of planet Kepler-413b around a close pair of orange and red dwarf stars. The planet's 66-day orbit is tilted 2.5 degrees with respect to the plane of the binary stars' orbit.
PIA17836:
Wobbly Planet Orbital Schematic (Illustration)
Full Resolution:     TIFF (21.61 MB)     JPEG (345.3 kB)
Add Image to Favorite List 2014-02-06 Earth Mars Science Laboratory (MSL)
 Mastcam
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This view of the twilight sky and Martian horizon taken by NASA's Curiosity Mars rover includes Earth as the brightest point of light in the night sky. Earth is a little left of center in the image, and our moon is just below Earth.
PIA17936:
Bright 'Evening Star' Seen from Mars is Earth
Full Resolution:     TIFF (19.21 MB)     JPEG (389.6 kB)
Add Image to Favorite List 2014-02-10 S Rings Cassini-Huygens
 ISS - Narrow Angle
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Saturn's F ring often appears to do things other rings don't. In this image from NASA's Cassini spacecraft, a strand of ring appears to separate from the core of the ring as if pulled apart by mysterious forces.
PIA17148:
Splitting the F Ring
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Add Image to Favorite List 2014-02-19 Mercury MESSENGER
 MDIS - Wide Angle
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Ridges in the Dark
PIA18037:
Ridges in the Dark
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Add Image to Favorite List 2014-02-19 Chandra X-ray Observatory
NuSTAR
 Chandra X-ray Telescope
NuSTAR
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This is the first map of radioactivity in a supernova remnant, the blown-out bits and pieces of a massive star that exploded. The blue color shows radioactive material mapped in high-energy X-rays using NASA's NuSTAR.
PIA17838:
Untangling the Remains of Cassiopeia A
Full Resolution:     TIFF (27.01 MB)     JPEG (350.8 kB)
Add Image to Favorite List 2014-02-19 Chandra X-ray Observatory
NuSTAR
 Chandra X-ray Telescope
NuSTAR
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NASA's NuSTAR is complementing previous observations of the Cassiopeia A supernova remnant (red and green) by providing the first maps of radioactive material forged in the fiery explosion (blue).
PIA17839:
Adding a New "Color" to Palate of Cassiopeia A Images
Full Resolution:     TIFF (9.442 MB)     JPEG (157.2 kB)
Add Image to Favorite List 2014-02-19 NuSTAR
 NuSTAR
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This diagram illustrates why NASA's NuSTAR can see radioactivity in the remains of exploded stars for the first time. The observatory detects high-energy X-ray photons that are released by a radioactive substance called titanium-44.
PIA17840:
The Creation of Titanium in Stars
Full Resolution:     TIFF (27.01 MB)     JPEG (330.3 kB)
Add Image to Favorite List 2014-02-19 Chandra X-ray Observatory
NuSTAR
 Chandra X-ray Telescope
NuSTAR
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NASA's NuSTAR has, for the first time, imaged the radioactive 'guts' of a supernova remnant, the leftover remains of a star that exploded. The NuSTAR data are blue, and show high-energy X-rays.
PIA17841:
Radioactive Core of a Dead Star
Full Resolution:     TIFF (3.147 MB)     JPEG (62.44 kB)
Add Image to Favorite List 2014-02-19 Chandra X-ray Observatory
NuSTAR
 Chandra X-ray Telescope
NuSTAR
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A massive star (left), which has created elements as heavy as iron in its interior, blows up in a tremendous explosion (middle), scattering its outer layers in a structure called a supernova remnant (right).
PIA17844:
Evolution of a Supernova
Full Resolution:     TIFF (18.01 MB)     JPEG (344.8 kB)
Add Image to Favorite List 2014-02-19 NuSTAR
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NuSTAR has provided the first observational evidence in support of a theory that says exploding stars slosh around before detonating. That theory, referred to as mild asymmetries, is shown here in a simulation by Christian Ott.
PIA17845:
Sloshing Star Goes Supernova Animation Icon
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Add Image to Favorite List 2014-02-19 Chandra X-ray Observatory
NuSTAR
 Chandra X-ray Telescope
NuSTAR
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The images at the top of this graphic represent two popular models describing how stars blast apart. The models point to different triggers of the explosion. Jet-driven models are illustrated with an artist's concept shown at left.
PIA17846:
NuSTAR Data Point to Sloshing Supernovas
Full Resolution:     TIFF (21.61 MB)     JPEG (378 kB)
Add Image to Favorite List 2014-02-24 S Rings Cassini-Huygens
 ISS - Narrow Angle
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Saturn's D ring is easy to overlook since it's trapped between the brighter C ring and the planet itself. In this view from NASA's Cassini spacecraft, all that can be seen of the D ring is the faint and narrow arc as it stretches from top right of the ima
PIA17150:
Dusty D Ring
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Add Image to Favorite List 2014-02-27 Kepler
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This illustration shows the unusual orbit of planet Kepler-413b around a close pair of orange and red dwarf stars. The planet's 66-day orbit is tilted 2.5 degrees with respect to the plane of the binary stars' orbit.
PIA17848:
Star System Bonanza (Illustration)
Full Resolution:     TIFF (3.097 MB)     JPEG (156.3 kB)
Add Image to Favorite List 2014-03-06 Spitzer Space Telescope
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Magnetic loops carrying gas and dust above disks of planet-forming material circling stars are shown in this artist's conception, which NASA's Spitzer Space Telescope detects as infrared light.
PIA17849:
Loops of Gas and Dust Rise from Planetary Disks (Artist Concept)
Full Resolution:     TIFF (24.89 MB)     JPEG (461.2 kB)
Add Image to Favorite List 2014-03-07 Kepler
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On March 6, 2009, NASA's Kepler Space Telescope rocketed into the night skies above Cape Canaveral Air Force Station in Florida to find planets around other stars, called exoplanets, in search of potentially habitable worlds.
PIA14446:
Kepler Team Marks Five Years in Space
Full Resolution:     TIFF (18.08 MB)     JPEG (216.7 kB)
Add Image to Favorite List 2014-03-07 Wide-field Infrared Survey Explorer (WISE)
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A nearby star, called WISEA J204027.30+695924, stands out in red in this image from the Second Generation Digitized Sky Survey.
PIA17991:
A New Solar Neighbor
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Add Image to Favorite List 2014-03-20 Spitzer Space Telescope
 IRAC
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This mosaic reveals a panorama of the Milky Way from NASA's Spitzer Space Telescope. This picture covers only about three percent of the sky, but includes more than half of the galaxy's stars and the majority of its star formation activity.
PIA17996:
GLIMPSE the Galaxy All the Way Around
Full Resolution:     TIFF (375.9 MB)     JPEG (9.296 MB)
Add Image to Favorite List 2014-03-26 Spitzer Space Telescope
 Spitzer Space Telescope
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The galaxy NGC 4395 is shown here in infrared light, captured by NASA's Spitzer Space Telescope. This dwarf galaxy is relatively small in comparison with our Milky Way galaxy, which is nearly 1,000 times more massive.
PIA17997:
Bulgeless Galaxy Hides Black Hole
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Add Image to Favorite List 2014-04-14 Hubble Space Telescope
 Hubble Space Telescope
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Known as IRAS 20324+4057 ('The Tadpole'), taken by NASA's Hubble Space Telescope in 2012, shows a bright blue tadpole as it appears to swim through the inky blackness of space.
PIA18168:
The Tadpole and the Wriggler
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Add Image to Favorite List 2014-04-17 Kepler
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This artist's concept depicts Kepler-186f, the first validated Earth-size planet to orbit a distant star in the habitable zone, a range of distance from a star where liquid water might pool on the planet's surface.
PIA17999:
Kepler-186f, the First Earth-size Planet in the Habitable Zone (Artist's Concept)
Full Resolution:     TIFF (34.71 MB)     JPEG (691.4 kB)
Add Image to Favorite List 2014-04-17 Kepler
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This diagram compares the planets of our inner solar system to Kepler-186, a five-planet star system about 500 light-years from Earth in the constellation Cygnus.
PIA18000:
Kepler-186 and the Solar System
Full Resolution:     TIFF (34.71 MB)     JPEG (564.3 kB)
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 2014-04-25 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)
Full Resolution:     TIFF (15.2 MB)     JPEG (215.4 kB)
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
Full Resolution:     TIFF (3.241 MB)     JPEG (67.8 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 2014-05-21 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)
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