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Add Image to Favorite List 2018-12-11 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory shows an active region that appeared on Dec. 5, 2018.
PIA21211:
Solar Active Region's Cameo Appearance Animation Icon
Full Resolution:     TIFF (4.752 MB)     JPEG (146 kB)
Add Image to Favorite List 2018-12-10 Hubble Space Telescope
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This image, taken by the Hubble Space Telescope, shows a bow shock around a very young star, LL Ori.
PIA22914:
Bow Shock Around Young Star
Full Resolution:     TIFF (2.885 MB)     JPEG (61.79 kB)
Add Image to Favorite List 2018-12-05 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory shows a long-lasting coronal hole has again rotated around to face the Earth (Nov. 28-30, 2018).
PIA18144:
Reappearing Coronal Hole Animation Icon
Full Resolution:     TIFF (4.192 MB)     JPEG (145.1 kB)
Add Image to Favorite List 2018-12-04 Hubble Space Telescope
WFC3
WFPC2
WFPC1
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These images from NASA's Hubble Space Telescope show the central region of the spiral galaxy M100, taken with three generations of cameras that were sequentially swapped out, thus improving the capability of the observatory.
PIA22913:
M100 Through 3 Cameras
Full Resolution:     TIFF (3.54 MB)     JPEG (173 kB)
Add Image to Favorite List 2018-11-19 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory shows two solar prominences, directly at opposite sides of the Sun, over a 26-hour period (Nov. 12-13, 2018).
PIA18143:
Opposing Solar Prominences Animation Icon
Full Resolution:     TIFF (5.168 MB)     JPEG (372.5 kB)
Add Image to Favorite List 2018-11-16 Spitzer Space Telescope
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This image of supernova remnant G54.1+0.3, imaged here by NASA's Spitzer Space Telescope, includes radio, infrared and X-ray light.
PIA22569:
Supernova Remnant G54
Full Resolution:     TIFF (6.313 MB)     JPEG (101.5 kB)
Add Image to Favorite List 2018-11-15 Wide-field Infrared Survey Explorer (WISE)
ALMA
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This image of galaxy W2246-0526, created using data from the Atacama Large Millimeter/submillimeter Array (ALMA), shows it is syphoning material away from three companion galaxies through trans-galactic streamers.
PIA22359:
W2246-0526 Accretion
Full Resolution:     TIFF (3.365 MB)     JPEG (176.9 kB)
Add Image to Favorite List 2018-11-15 Wide-field Infrared Survey Explorer (WISE)
ALMA
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This artist's impression shows galaxy WISE J224607.55-052634.9, the most luminous galaxy ever discovered.
PIA22358:
Most Luminous Galaxy is Eating Its Neighbors (Artist's Impression)
Full Resolution:     TIFF (127.5 MB)     JPEG (4.134 MB)
Add Image to Favorite List 2018-11-14 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory shows a lunar transit, when the Moon partially blocked SDO's view of the Sun on Nov. 7, 2018.
PIA18142:
SDO Observes a Partial Lunar Eclipse Animation Icon
Full Resolution:     TIFF (3.473 MB)     JPEG (139.1 kB)
Add Image to Favorite List 2018-11-12 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory shows a good-sized coronal hole at a slanted angle nearly centered on the face of the sun (Oct. 31 - Nov. 2, 2018).
PIA18141:
Central Coronal Hole Animation Icon
Full Resolution:     TIFF (4.566 MB)     JPEG (155.4 kB)
Add Image to Favorite List 2018-10-29 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory shows that a solar prominence rose up above the Sun's surface, twisted and spun around, then became elongated and broke away. (Oct. 24-25, 2018).
PIA18140:
Eruptive Prominence Animation Icon
Full Resolution:     TIFF (3.695 MB)     JPEG (240.5 kB)
Add Image to Favorite List 2018-10-23 Spitzer Space Telescope
IRAC
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The Cat's Paw Nebula, imaged here by NASA's Spitzer Space Telescope, shows a dark filament running through the middle, composed of dense gas and dust.
PIA22567:
Cat's Paw Image 2
Full Resolution:     TIFF (27.74 MB)     JPEG (1.843 MB)
Add Image to Favorite List 2018-10-23 Spitzer Space Telescope
IRAC
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The Cat's Paw Nebula, imaged here by NASA's Spitzer Space Telescope, is a star-forming region that lies inside the Milky Way Galaxy.
PIA22568:
Cat's Paw Image 1
Full Resolution:     TIFF (27.74 MB)     JPEG (1.447 MB)
Add Image to Favorite List 2018-10-17 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory shows the Sun's rotation bringing a new active region into view, revealing the dynamic arches and twisting streams of its magnetic field (Oct. 10-11, 2018).
PIA18139:
Sole Active Region in Profile Animation Icon
Full Resolution:     TIFF (4.272 MB)     JPEG (150.1 kB)
Add Image to Favorite List 2018-09-24 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory shows two images taken at virtually the same time but in different wavelengths of extreme ultraviolet light.
PIA22724:
Two Wavelengths, Two Different Images Animation Icon
Full Resolution:     TIFF (5.585 MB)     JPEG (262.9 kB)
Add Image to Favorite List 2018-09-17 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory shows that in just about seven hours, the SDO spacecraft saw the moon transit the Sun two times (Sept. 9-10, 2018).
PIA22723:
Double Lunar Transit Animation Icon
Full Resolution:     TIFF (2.063 MB)     JPEG (142 kB)
Add Image to Favorite List 2018-09-17 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory shows that a large coronal hole began to emerge and intensify (Sept. 4-6, 2018).
PIA22722:
Emerging Coronal Hole Animation Icon
Full Resolution:     TIFF (3.545 MB)     JPEG (135.6 kB)
Add Image to Favorite List 2018-09-03 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory shows that over the course of just one day a tiny active region grew to became almost as large as its many-days-old neighbor (Aug. 23-24, 2018).
PIA22680:
New Active Region Grows Up Animation Icon
Full Resolution:     TIFF (6.915 MB)     JPEG (212.3 kB)
Add Image to Favorite List 2018-08-20 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory shows a minor eruption of charged particles rising up and twisting about before falling back into the Sun in this close-up of the Sun from a two-hour period on Aug. 13, 2018.
PIA22673:
Twisting Outburst Animation Icon
Full Resolution:     TIFF (3.898 MB)     JPEG (196.1 kB)
Add Image to Favorite List 2018-08-14 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory scientists use their computer models to generate a view of the sun's magnetic field. An extreme ultraviolet view of the sun is compared with the same image showing the superimposed field lines on August 10, 2018.
PIA22662:
Magnetic Field Portrayed Animation Icon
Full Resolution:     TIFF (8.707 MB)     JPEG (757.2 kB)
Add Image to Favorite List 2018-08-09 Hubble Space Telescope
Spitzer Space Telescope
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Based on data from NASA's Hubble and Spitzer Space Telescopes, these simulated views of the ultrahot Jupiter WASP-121b show what the planet might look like from five different vantage points, illuminated to different degrees by its parent star.
PIA22565:
Ultrahot Jupiter WASP-121b
Full Resolution:     TIFF (23.61 MB)     JPEG (3.002 MB)
Add Image to Favorite List 2018-08-07 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory observes two relatively small prominences above the Sun's surface twisted and streamed charged particles over a 20-hour period July 30-31, 2018.
PIA22661:
Twisting Prominences Animation Icon
Full Resolution:     TIFF (3.843 MB)     JPEG (231.7 kB)
Add Image to Favorite List 2018-08-02 Spitzer Space Telescope
IRAC
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Thin, red veins of energized gas mark the location of the supernova remnant HBH 3 in this image from NASA's Spitzer Space Telescope.
PIA22564:
Spitzer Spies Supernova Remnant HBH 3
Full Resolution:     TIFF (3.555 MB)     JPEG (311.6 kB)
Add Image to Favorite List 2018-07-31 Sol (our sun) SDO
Atmosphere Imaging Assembly
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Over a three-week period July 3-24, 2018, NASA's Solar Dynamics Observatory observed the Sun produced just one small, short-lived sunspot -- an almost spotless record.
PIA22646:
An Almost Spotless Record Animation Icon
Full Resolution:     TIFF (1.411 MB)     JPEG (157.9 kB)
Add Image to Favorite List 2018-07-24 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory zoomed in to watch close-up the dynamics of this single active region on the sun over a two-day period on July 14-16, 2018. These regions are often the sources of large eruptions that cause solar storms.
PIA22645:
Detailed Loops Above an Active Region Animation Icon
Full Resolution:     TIFF (4.775 MB)     JPEG (171.4 kB)
Add Image to Favorite List 2018-07-17 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory observed this profile perspective of an active region revealed above it June 24-25, 2018. Charged particles spinning along these field lines are illuminated in this wavelength of extreme ultraviolet light.
PIA22589:
Festoons of Loops Animation Icon
Full Resolution:     TIFF (4.784 MB)     JPEG (157.8 kB)
Add Image to Favorite List 2018-07-05 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory observed an active region on June 19th, quickly growing in size over two days June 20-22, 2018. Active regions are areas of enhanced magnetic activity on the Sun's surface, generating the huge loops and dynamic surges.
PIA22582:
Rambunctious Active Region Animation Icon
Full Resolution:     TIFF (4.548 MB)     JPEG (173.5 kB)
Add Image to Favorite List 2018-06-28 3200x1800x3
This artist's illustration shows the comet 'Oumuamua racing toward the outskirts of our solar system.
PIA22357:
'Oumuamua Races Toward Outskirts of Solar System (Artist's Concept)
Full Resolution:     TIFF (5.281 MB)     JPEG (296.7 kB)
Add Image to Favorite List 2018-06-26 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory observed a small prominence hovered above the sun's surface over a two-day period June 12-14, 2018, before breaking off into space.
PIA22537:
Evolving Prominence Animation Icon
Full Resolution:     TIFF (3.348 MB)     JPEG (199.1 kB)
Add Image to Favorite List 2018-06-15 Hubble Space Telescope
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An image of the galaxy Arp299B, which is undergoing a merging process with Arp299A (the galaxy to the left), captured by NASA's Hubble space telescope.
PIA22356:
A Tidal Disruption Event in Arp299B
Full Resolution:     TIFF (24.23 MB)     JPEG (946.7 kB)
Add Image to Favorite List 2018-06-15 3816x2160x3
An artist's concept of a tidal disruption event (TDE) that happens when a star passes fatally close to a supermassive black hole, which reacts by launching a relativistic jet.
PIA22355:
Black Hole vs. Star: A Tidal Disruption Event (Artist's Concept)
Full Resolution:     TIFF (15.61 MB)     JPEG (451.1 kB)
Add Image to Favorite List 2018-06-11 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory observed giant, bright coronal loops trace out the magnetic field lines above an active region from June 4-6, 2018.
PIA22508:
Ballet of Loops Animation Icon
Full Resolution:     TIFF (3.74 MB)     JPEG (131 kB)
Add Image to Favorite List 2018-06-04 Sol (our sun) SDO
Atmosphere Imaging Assembly
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This close-up from a video clip taken May 30-June 1, 2018 by NASA's Solar Dynamics Observatory shows a large active region in extreme ultraviolet light as the bright magnetic field lines above it shift and twist.
PIA22475:
Dynamic Looping Action Animation Icon
Full Resolution:     TIFF (4.859 MB)     JPEG (188 kB)
Add Image to Favorite List 2018-05-29 Sol (our sun) SDO
Atmosphere Imaging Assembly
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On May 23-25, 2018, NASA's Solar Dynamics Observatory observed an active region that rotated into view and sputtered with numerous small flares and towering magnetic field lines that stretched out many times the diameter of Earth.
PIA22461:
New Active Region Sputtering with Small Flares Animation Icon
Full Resolution:     TIFF (7.438 MB)     JPEG (293.7 kB)
Add Image to Favorite List 2018-05-22 Sol (our sun) SDO
Atmosphere Imaging Assembly
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On May 16-18, 2018, NASA's Solar Dynamics Observatory observed a good-sized coronal hole come around to where it is just about faced Earth. Coronal holes are areas of open magnetic field from which solar wind (charged particles) streams into space.
PIA00575:
Coronal Hole Rotating Towards Us Animation Icon
Full Resolution:     TIFF (3.548 MB)     JPEG (125 kB)
Add Image to Favorite List 2018-05-15 Sol (our sun) SDO
Atmosphere Imaging Assembly
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On May 2-4, 2018, NASA's Solar Dynamics Observatory observed an extensive equatorial coronal hole has rotated so that it is now facing Earth. The dark coronal hole extends about halfway across the solar disk.
PIA00577:
Coronal Hole Facing Earth Animation Icon
Full Resolution:     TIFF (3.339 MB)     JPEG (130 kB)
Add Image to Favorite List 2018-05-08 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory observed an extensive equatorial, dark coronal hole extending about halfway across the solar disk on May 2-4, 2018.
PIA00624:
Coronal Hole Facing Earth Animation Icon
Full Resolution:     TIFF (6.335 MB)     JPEG (299.4 kB)
Add Image to Favorite List 2018-05-01 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory observed a lone active region visible on the sun putting on a fine display with its tangled magnetic field lines swaying and twisting above it (Apr. 24-26, 2018) in a wavelength of extreme ultraviolet light.
PIA22449:
Tangled Up in Blue Animation Icon
Full Resolution:     TIFF (6.549 MB)     JPEG (427.3 kB)
Add Image to Favorite List 2018-04-23 Sol (our sun) SDO
Atmosphere Imaging Assembly
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A good-sized active region with bright, towering arches began to rotate into NASA's Solar Dynamics Observatory's view (Apr. 18-19, 2018).
PIA22430:
Active Region Coming Around the Bend Animation Icon
Full Resolution:     TIFF (3.819 MB)     JPEG (114.4 kB)
Add Image to Favorite List 2018-04-20 Sol (our sun) SDO
Atmosphere Imaging Assembly
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The sun featured just one, rather small active region over the past few days, but it developed rapidly and sported a lot of magnetic activity in just one day (Apr. 11-12, 2018) as observed by NASA's Solar Dynamics Observatory.
PIA06676:
Small but Dynamic Active Region Animation Icon
Full Resolution:     TIFF (3.662 MB)     JPEG (131.2 kB)
Add Image to Favorite List 2018-04-16 Sol (our sun) SDO
Atmosphere Imaging Assembly
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For much of this week the sun featured three substantial coronal holes observed by NASA's Solar Dynamics Observatory April 3-6, 2018. These are areas of open magnetic field from which high speed solar wind rushes out into space.
PIA22414:
Three Coronal Holes Animation Icon
Full Resolution:     TIFF (4.104 MB)     JPEG (179.7 kB)
Add Image to Favorite List 2018-04-09 Sol (our sun) SDO
Atmosphere Imaging Assembly
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With no active regions currently on the face of the sun, NASA's Solar Dynamics Observatory observed a bristling active region showing numerous arches of bright, magnetic field lines blossoming out and towering above it beginning to rotate into view.
PIA22411:
Wavelength Comparisons Animation Icon
Full Resolution:     TIFF (5.735 MB)     JPEG (162.3 kB)
Add Image to Favorite List 2018-04-02 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory ran together three sequences of the sun taken in three different extreme ultraviolet wavelengths to show how different features appearing in one sequence are difficult to see in the others (Mar. 20-21, 2018).
PIA22360:
Wavelength Comparisons Animation Icon
Full Resolution:     TIFF (5.55 MB)     JPEG (192.7 kB)
Add Image to Favorite List 2018-03-26 Kepler
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This image from an animation shows the merger of two white dwarfs. A white dwarf is an extremely dense remnant of a star that can no longer burn nuclear fuel at its core.
PIA22353:
Kepler Beyond Planets: Finding Exploding Stars (Type Ia Supernova from a White Dwarf Merger) Animation Icon
Full Resolution:     TIFF (994.5 kB)     JPEG (59.68 kB)
Add Image to Favorite List 2018-03-26 Kepler
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This image from an animation shows the explosion of a white dwarf, an extremely dense remnant of a star that can no longer burn nuclear fuel at its core.
PIA22352:
Kepler Beyond Planets: Finding Exploding Stars (Type Ia Supernova from a White Dwarf Stealing Matter) Animation Icon
Full Resolution:     TIFF (1.887 MB)     JPEG (92.24 kB)
Add Image to Favorite List 2018-03-26 Kepler
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This image from an animation shows a kind of stellar explosion called a Fast-Evolving Luminous Transient. In this case, a giant star 'burp' out a shell of gas and dust about a year before exploding.
PIA22351:
Kepler Beyond Planets: Finding Exploding Stars (Type Felt Supernova) Animation Icon
Full Resolution:     TIFF (585.8 kB)     JPEG (79.56 kB)
Add Image to Favorite List 2018-03-26 Kepler
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This image from an animation shows a gigantic star exploding in a 'core collapse' supernova. As molecules fuse inside the star, eventually the star can't support its own weight anymore.
PIA22350:
Kepler Beyond Planets: Finding Exploding Stars (Core Collapse Supernova) Animation Icon
Full Resolution:     TIFF (586.8 kB)     JPEG (82.38 kB)
Add Image to Favorite List 2018-03-19 Sol (our sun) SDO
Atmosphere Imaging Assembly
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Coronal holes are areas of open magnetic fields from which solar wind rushes out into space. NASA's Solar Dynamics Observatory observed this long coronal hole that stretched out across more than half the diameter of the sun (Mar. 13-15, 2018).
PIA22345:
Elongated Coronal Hole Animation Icon
Full Resolution:     TIFF (3.231 MB)     JPEG (125.5 kB)
Add Image to Favorite List 2018-03-06 Sol (our sun) SDO
Atmosphere Imaging Assembly
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A relatively small active region erupted twice in 18 hours on Mar. 2, 2018, as observed by NASA's Solar Dynamics Observatory. After each burst, one can see the magnetic fields lines, which appear as bright coils, spiraling around the region.
PIA22260:
Small Bursts
Full Resolution:     TIFF (4.352 MB)     JPEG (141.5 kB)
Add Image to Favorite List 2018-02-16 Sol (our sun) SDO
Atmosphere Imaging Assembly
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On the 8th anniversary of its launch in 2010, NASA's Solar Dynamics Observatory captured a total solar eclipse on Feb. 11, 2018 when Earth crossed in front of the sun. It lasted just 31 minutes.
PIA22259:
SDO's Version of an Eclipse
Full Resolution:     TIFF (1.681 MB)     JPEG (136.5 kB)
Add Image to Favorite List 2018-02-15 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory observed the sun's only visible active region as it sputtered and spurted and eventually unleashed a small (C-class) flare on Feb. 7, 2018.
PIA22244:
One Small Flare Animation Icon
Full Resolution:     TIFF (3.486 MB)     JPEG (180.6 kB)
Add Image to Favorite List 2018-02-07 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory observed no sunspots for almost two weeks (as of Feb. 1, 2018) and just has a single, tiny one that appeared on Jan. 31, 2018.
PIA22242:
Spotless Days Animation Icon
Full Resolution:     TIFF (4.791 MB)     JPEG (168 kB)
Add Image to Favorite List 2018-02-05 Spitzer Space Telescope
TRAPPIST
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This is a frame from a video which shows illustrations of the seven Earth-size planets of TRAPPIST-1, an exoplanet system about 40 light-years away, based on data current as of February 2018.
PIA22098:
TRAPPIST-1 Planet Animations
Full Resolution:     TIFF (984.6 kB)     JPEG (20.48 kB)
Add Image to Favorite List 2018-02-05 Spitzer Space Telescope
TRAPPIST
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This illustration shows the seven Earth-size planets of TRAPPIST-1. The image does not show the planets' orbits to scale, but highlights possibilities for how the surfaces of these intriguing worlds might look.
PIA22097:
Illustration of TRAPPIST-1 Planets as of Feb. 2018
Full Resolution:     TIFF (13.41 MB)     JPEG (606.5 kB)
Add Image to Favorite List 2018-02-05 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. In fact, they would have room to spare.
PIA22096:
TRAPPIST-1 Compared to Jovian Moons and Inner Solar System - Updated Feb. 2018
Full Resolution:     TIFF (3.656 MB)     JPEG (650.3 kB)
Add Image to Favorite List 2018-02-05 Spitzer Space Telescope
TRAPPIST
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This graph presents known properties of the seven TRAPPIST-1 exoplanets (labeled b through h), showing how they stack up to the inner rocky worlds in our own solar system.
PIA22095:
Comparing TRAPPIST-1 to the Solar System
Full Resolution:     TIFF (4.411 MB)     JPEG (591.6 kB)
Add Image to Favorite List 2018-02-05 Spitzer Space Telescope
TRAPPIST
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This chart shows artist concepts of the seven planets of TRAPPIST-1 with their orbital periods, distances from their star, radii, masses, densities and surface gravity as compared to those of Earth. These numbers are current as of February 2018.
PIA22094:
TRAPPIST-1 Planet Lineup - Updated Feb. 2018
Full Resolution:     TIFF (9.101 MB)     JPEG (1.133 MB)
Add Image to Favorite List 2018-02-05 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, as of February 2018.
PIA22093:
TRAPPIST-1 Planet Lineup - Updated Feb. 2018
Full Resolution:     TIFF (11.77 MB)     JPEG (497.2 kB)
Add Image to Favorite List 2018-01-31 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory observed a small coronal mass ejection that was also associated with a small flare on Jan. 22, 2018.
PIA22184:
Small Flare and a Coronal Mass Ejection Animation Icon
Full Resolution:     TIFF (3.803 MB)     JPEG (126.8 kB)
Add Image to Favorite List 2018-01-31 Hubble Space Telescope
Spitzer Space Telescope
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This image of distant interacting galaxies, known collectively as Arp 142, bears an uncanny resemblance to a penguin guarding an egg. Data from NASA's Spitzer and Hubble space telescopes have been combined to show these dramatic galaxies.
PIA22092:
Arp 142: The Penguin and the Egg
Full Resolution:     TIFF (6.359 MB)     JPEG (144.5 kB)
Add Image to Favorite List 2018-01-18 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory observed a prominence rising up above the sun, sending an arch of plasma to link up magnetically with an active region over a one-day period (Jan, 9-10, 2017).
PIA22199:
Reversing Prominence Animation Icon
Full Resolution:     TIFF (3.541 MB)     JPEG (214.3 kB)
Add Image to Favorite List 2018-01-12 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory observed a small prominence rose up above the sun, appeared to twist around for several hours, and then began to send some streams of plasma back into the sun (Jan. 3-4, 2018).
PIA22198:
Small Twisting Prominence Animation Icon
Full Resolution:     TIFF (4.534 MB)     JPEG (316.9 kB)
Add Image to Favorite List 2018-01-11 Hubble Space Telescope
Spitzer Space Telescope
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This artist's concept showcases both the visible and infrared visualizations of the Orion Nebula, looking down a 'valley' leading to the star cluster at far end.
PIA22089:
Visible and Infrared Visualization of the Orion Nebula (Artist's Concept)
Full Resolution:     TIFF (4.841 MB)     JPEG (94.93 kB)
Add Image to Favorite List 2018-01-11 Kepler
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This artist concept shows the K2-138 system, the first multi-planet system discovered by citizen scientists.
PIA22088:
Kepler K2-138 System (Artist's Concept)
Full Resolution:     TIFF (18.94 MB)     JPEG (551.1 kB)
Add Image to Favorite List 2018-01-11 Hubble Space Telescope
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NASA's Hubble Space Telescope shows the farthest galaxy yet seen in an image that has been stretched and amplified by a phenomenon called gravitational lensing.
PIA22079:
NASA's Hubble Spots Embryonic Galaxy SPT0615-JD
Full Resolution:     TIFF (2.083 MB)     JPEG (107.9 kB)
Add Image to Favorite List 2018-01-04 2014 MU69 New Horizons
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This artist's impression is of NASA's New Horizons spacecraft encountering 2014 MU69, a Kuiper Belt object that orbits one billion miles (1.6 billion kilometers) beyond Pluto, on Jan. 1, 2019.
PIA22190:
New Horizons Encountering 2014 MU69 (Artist's Impression)
Full Resolution:     TIFF (4.627 MB)     JPEG (248.2 kB)
Add Image to Favorite List 2017-12-29 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory observed an elongated coronal hole (the darker area near the center) seeming to shape itself into a single, recognizable question mark over the period of one day (Dec. 21-22, 2017).
PIA22197:
The Sun Forms a Question Animation Icon
Full Resolution:     TIFF (5.955 MB)     JPEG (230.3 kB)
Add Image to Favorite List 2017-12-18 Sol (our sun) SDO
Atmosphere Imaging Assembly
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A small prominence observed in profile arched up and sent streams of plasma curling back into the sun over a 30-hour period on Dec. 13-14, 2017 by NASA's Solar Dynamics Observatory.
PIA22196:
Curling Prominence Animation Icon
Full Resolution:     TIFF (3.129 MB)     JPEG (225.7 kB)
Add Image to Favorite List 2017-12-15 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory observed a small prominence, slowly rising further up above the sun, then fell apart and back into the sun over about seven hours (Dec. 6, 2017).
PIA22195:
Prominence Falls Apart Animation Icon
Full Resolution:     TIFF (4.213 MB)     JPEG (260.2 kB)
Add Image to Favorite List 2017-12-14 Kepler
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With the discovery of an eighth planet, NASA's Kepler-90 system is the first to tie with our solar system in number of planets. This is an artist's concept compared with our own solar system.
PIA22193:
Kepler-90 System Compared to Our Solar System (Artist's Concept)
Full Resolution:     TIFF (645.6 kB)     JPEG (50.32 kB)
Add Image to Favorite List 2017-12-14 Kepler
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With the discovery of an eighth planet, NASA's Kepler-90 system is the first to tie with our solar system in number of planets. This is an artist's concept.
PIA22192:
Kepler-90 system (Artist's Concept)
Full Resolution:     TIFF (10.73 MB)     JPEG (573.3 kB)
Add Image to Favorite List 2017-12-13 MAVEN
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To receive the same amount of starlight as Mars receives from our Sun, a planet orbiting an M-type red dwarf would have to be positioned much closer to its star than Mercury is to the Sun.
PIA22075:
How Habitable Might an Exo-Mars Be?
Full Resolution:     TIFF (3.901 MB)     JPEG (192.7 kB)
Add Image to Favorite List 2017-12-11 Sol (our sun) SDO
Atmosphere Imaging Assembly
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This image from NASA's Solar Dynamics Observatory shows a prominence at the sun's edge shifted and slithered back and forth over a one-day period on Nov. 29-30, 2017.
PIA22123:
Slithering Prominence Animation Icon
Full Resolution:     TIFF (5.042 MB)     JPEG (264.7 kB)
Add Image to Favorite List 2017-11-29 2700x2282x3
A NASA-led team of scientists determined that WASP-18b, a 'hot Jupiter' located 325 light-years from Earth, has a stratosphere that's loaded with carbon monoxide, but has no signs of water.
PIA22087:
WASP-18b (Artist's Concept)
Full Resolution:     TIFF (14.95 MB)     JPEG (515.9 kB)
Add Image to Favorite List 2017-11-28 Sol (our sun) SDO
Atmosphere Imaging Assembly
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This image from NASA's Solar Dynamics Observatory shows a developing filament near the edge of the sun churned and twisted as the rotating sun brought it into clearer view over a day on Nov. 16-17, 2017.
PIA22120:
Churning Filament Animation Icon
Full Resolution:     TIFF (4.195 MB)     JPEG (161.9 kB)
Add Image to Favorite List 2017-11-16 Sol (our sun) SDO
Atmosphere Imaging Assembly
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This image from NASA's Solar Dynamics Observatory shows a broad coronal hole, the dominant feature this week on the sun on Nov. 7-9, 2017. It was easily recognizable as the dark expanse across the top of the sun and extending down in each side.
PIA22113:
Coronal Hole All Spread Out Animation Icon
Full Resolution:     TIFF (4.795 MB)     JPEG (223.3 kB)
Add Image to Favorite List 2017-11-16 Spitzer Space Telescope
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The super-Earth exoplanet 55 Cancri e, depicted with its star in this artist's concept, likely has an atmosphere thicker than Earth's but with ingredients that could be similar to those of Earth's atmosphere.
PIA22069:
55 Cancri e with Atmosphere (Artist's Concept)
Full Resolution:     TIFF (22.07 MB)     JPEG (374.4 kB)
Add Image to Favorite List 2017-11-08 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory came across an oddity this week that the spacecraft has rarely observed before: a dark filament encircling an active region on Oct. 29-31, 2017.
PIA22104:
Rare Encircling Filament Animation Icon
Full Resolution:     TIFF (4.554 MB)     JPEG (133 kB)
Add Image to Favorite List 2017-11-02 NuSTAR
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This artist's concept shows a black hole with an accretion disk -- a flat structure of material orbiting the black hole -- and a jet of hot gas, called plasma.
PIA22085:
Black Hole With Jet (Artist's Concept)
Full Resolution:     TIFF (34.34 MB)     JPEG (1.257 MB)
Add Image to Favorite List 2017-11-01 Spitzer Space Telescope
Wide-field Infrared Survey Explorer (WISE)
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This artist's concept shows an exoplanet and debris disk orbiting a polluted white dwarf. White dwarfs are dim, dense remnants of stars similar to the Sun that have exhausted their nuclear fuel and blown off their outer layers.
PIA22084:
Polluted White Dwarf (Artist's Concept)
Full Resolution:     TIFF (3.508 MB)     JPEG (78.36 kB)
Add Image to Favorite List 2017-10-31 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory captured these images showing the sun from its surface to its upper atmosphere in order of temperature, all taken at about the same time on Oct. 27, 2017.
PIA22055:
From Hot to Hottest Animation Icon
Full Resolution:     TIFF (6.995 MB)     JPEG (252.6 kB)
Add Image to Favorite List 2017-10-23 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory observed a small eruption on Oct. 18, 2017. The source of the blast was just out of sight beyond the edge of the sun.
PIA22050:
Quick Solar Outburst Animation Icon
Full Resolution:     TIFF (6.312 MB)     JPEG (178.9 kB)
Add Image to Favorite List 2017-10-16 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory observed a dark structure, shaped kind of like the Pi symbol, spreading across much of the top of the sun this week (Oct. 12-13, 2017).
PIA22047:
Sprawling Coronal Hole
Full Resolution:     TIFF (6.592 MB)     JPEG (254.2 kB)
Add Image to Favorite List 2017-10-16 NGC 4993 Spitzer Space Telescope
IRAC
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NASA's Spitzer Space Telescope has provisionally detected the faint afterglow of the explosive merger of two neutron stars in the galaxy NGC 4993.
PIA21910:
Spitzer Observes Neutron Star Collision
Full Resolution:     TIFF (2.454 MB)     JPEG (135.4 kB)
Add Image to Favorite List 2017-10-11 2048x1152x3
This artist's rendering shows a large exoplanet causing small bodies to collide in a disk of dust.
PIA22082:
Giant Exoplanet and Debris Disk (Artist's Concept)
Full Resolution:     TIFF (3.949 MB)     JPEG (77.56 kB)
Add Image to Favorite List 2017-10-09 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory observed a pair of active regions (the brighter areas) move and change as they rotate with the sun over just a 17-hour period (Oct. 4-5, 2017).
PIA22039:
Dynamic Duo Animation Icon
Full Resolution:     TIFF (7.304 MB)     JPEG (242.3 kB)
Add Image to Favorite List 2017-10-04 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory, observed three distinct active regions with towering arches above them rotated into view over a three-day period (Sept. 24-26, 2017). To give some sense of scale, the largest arches rose up many times the size of Earth.
PIA22038:
Trio of Tempests Animation Icon
Full Resolution:     TIFF (3.855 MB)     JPEG (181.5 kB)
Add Image to Favorite List 2017-10-04 Spitzer Space Telescope
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This illustration depicts a hypothetical uneven ring of dust orbiting KIC 8462852, also known as Boyajian's Star or Tabby's Star.
PIA22081:
Tabby's Star (Illustration)
Full Resolution:     TIFF (5.938 MB)     JPEG (382.4 kB)
Add Image to Favorite List 2017-09-18 Sol (our sun) SDO
Atmosphere Imaging Assembly
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On Sept. 10, 2017, NASA's Solar Dynamics Observatory, observed the Sun erupting with an X8 solar flare, one of the largest of the current solar cycle.
PIA21958:
Major Solar Flare Animation Icon
Full Resolution:     TIFF (5.49 MB)     JPEG (203.4 kB)
Add Image to Favorite List 2017-09-11 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory observed a large sunspot, source of a powerful solar flare (an X 9.3) and a coronal mass ejection (Sept. 6, 2017). The flare was the largest solar flare of the last decade.
PIA21949:
Major Solar Flare Animation Icon
Full Resolution:     TIFF (6.065 MB)     JPEG (233.6 kB)
Add Image to Favorite List 2017-09-02 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory observed a large coronal hole has been spewing solar wind particles in the general direction of Earth over the past few days (Aug. 31- Sept. 1, 2017).
PIA21942:
Extensive Coronal Hole Animation Icon
Full Resolution:     TIFF (4.019 MB)     JPEG (155.5 kB)
Add Image to Favorite List 2017-08-23 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory observed a partial eclipse that at its peak covered only about 14 per cent of the sun on Aug. 21, 2017.
PIA21929:
SDO Saw Only a Partial Eclipse Animation Icon
Full Resolution:     TIFF (3.667 MB)     JPEG (185.9 kB)
Add Image to Favorite List 2017-08-17 Spitzer Space Telescope
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By using NASA's Spitzer Space Telescope, astronomers have found that the varying glow of brown dwarfs over time can be explained by bands of patchy clouds rotating at different speeds, as shown in this artist's concept.
PIA21752:
Brown Dwarf Weather (Artist's Concept) Animation Icon
Full Resolution:     TIFF (7.027 MB)     JPEG (397.9 kB)
Add Image to Favorite List 2017-08-14 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory observed a substantial coronal hole rotated into a position where it is facing Earth on Aug. 9-11, 2017.
PIA21874:
Coronal Hole Faces Earth Animation Icon
Full Resolution:     TIFF (7.349 MB)     JPEG (255.3 kB)
Add Image to Favorite List 2017-08-11 Spitzer Space Telescope
TRAPPIST
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This artist's concept shows what the TRAPPIST-1 planetary system may look like from a vantage point near planet TRAPPIST-1f (at right).
PIA21751:
TRAPPIST-1 System - Artist Concept
Full Resolution:     TIFF (2.582 MB)     JPEG (60 kB)
Add Image to Favorite List 2017-08-07 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory observed a large sunspot (called AR2665) that rotated out of view about two weeks ago has returned on Aug. 1-2, 2017.
PIA21873:
Old Sunspot Returns Animation Icon
Full Resolution:     TIFF (4.347 MB)     JPEG (148.5 kB)
Add Image to Favorite List 2017-08-04 2014 MU69 New Horizons
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Artist's concept of Kuiper Belt object 2014 MU69, which is the next flyby target for NASA's New Horizons mission.
PIA21868:
Artist's Concept of 2014 MU69 as a Single Object
Full Resolution:     TIFF (7.083 MB)     JPEG (767.2 kB)
Add Image to Favorite List 2017-08-04 2014 MU69 New Horizons
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This is one artist's concept of Kuiper Belt object 2014 MU69, the next flyby target for NASA's New Horizons mission.
PIA21867:
A Kuiper Belt Pair? Artist's Concept of 2014 MU69 as a Binary Object
Full Resolution:     TIFF (5.863 MB)     JPEG (388.3 kB)
Add Image to Favorite List 2017-08-01 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory observed a sheet of plasma blasted out into space from just behind the edge of the sun on July 28, 2017.
PIA21866:
Sheet of Plasma Animation Icon
Full Resolution:     TIFF (4.421 MB)     JPEG (207.7 kB)
Add Image to Favorite List 2017-07-25 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory observed numerous arches of magnetic field lines dancing and swaying above a large active region over about a 30-hour period July 17-18, 2017.
PIA21838:
Kinked Loop Stretching Between Two Active Regions Animation Icon
Full Resolution:     TIFF (4.055 MB)     JPEG (189.1 kB)
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