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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)
Add Image to Favorite List 2017-07-19 Kuiper Belt Object New Horizons
LORRI
MVIC
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This frame from an animation shows a Kuiper Belt object know as 2014 MU69, as seen by NASA's New Horizons.
PIA21865:
Wink of a Star
Full Resolution:     TIFF (194.8 kB)     JPEG (38.14 kB)
Add Image to Favorite List 2017-07-18 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory observed a medium-sized flare, lasting almost two hours, and a coronal mass ejection erupting from the same, large active region on July 14, 2017.
PIA21836:
Bastille Day Solar Flare and a Coronal Mass Ejection Animation Icon
Full Resolution:     TIFF (4.226 MB)     JPEG (181.7 kB)
Add Image to Favorite List 2017-07-12 Sol (our sun) SDO
Atmosphere Imaging Assembly
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A prominence at the edge of the sun provided NASA's Solar Dynamics Observatory with a splendid view of solar plasma as it churned and streamed over less than one day (June 25-26, 2017).
PIA21783:
New Lone Sunspot Group Animation Icon
Full Resolution:     TIFF (2.249 MB)     JPEG (255.9 kB)
Add Image to Favorite List 2017-07-05 Sol (our sun) SDO
Atmosphere Imaging Assembly
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A prominence at the edge of the sun provided NASA's Solar Dynamics Observatory with a splendid view of solar plasma as it churned and streamed over less than one day (June 25-26, 2017).
PIA21768:
Streaming Prominence Animation Icon
Full Resolution:     TIFF (4.314 MB)     JPEG (261.6 kB)
Add Image to Favorite List 2017-06-27 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory observed a smallish solar filament looks like it collapsed into the sun and set off a minor eruption that hurled plasma into space on June 20, 2017.
PIA21764:
Coils of Magnetic Field Lines Animation Icon
Full Resolution:     TIFF (3.194 MB)     JPEG (106.3 kB)
Add Image to Favorite List 2017-06-19 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory sees several short stalks of cooler, darker plasma spun and twisted as they interacted with each other at the sun's edge, June 14-15, 2017.
PIA21761:
Twisting Plasma Interactions Animation Icon
Full Resolution:     TIFF (5.565 MB)     JPEG (200.4 kB)
Add Image to Favorite List 2017-06-06 Galaxy Evolution Explorer (GALEX)
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This illustration shows a red dwarf star orbited by a hypothetical exoplanet. By mining data from NASA's GALEX spacecraft, a team of astronomers identified dozens of flares at a range of durations and strengths.
PIA21473:
Flaring Red Dwarf Star (Illustration)
Full Resolution:     TIFF (4.931 MB)     JPEG (202.8 kB)
Add Image to Favorite List 2017-06-05 KELT-9b 5120x2880x3
This artist's concept shows planet KELT-9b orbiting its host star, KELT-9. It is the hottest gas giant planet discovered so far.
PIA21472:
Hottest Hot Jupiter Animation (Artist's Concept) Animation Icon
Full Resolution:     TIFF (23.38 MB)     JPEG (527.1 kB)
Add Image to Favorite List 2017-06-02 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory observed a pair of relatively small (but frenetic) active regions rotated into view, spouting off numerous small flares and sweeping loops of plasma (May 31-June 2, 2017).
PIA21756:
Energized Active Regions Animation Icon
Full Resolution:     TIFF (4.269 MB)     JPEG (134.4 kB)
Add Image to Favorite List 2017-05-30 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory observes a solar prominence at the sun's edge putting on quite a display of plasma being pushed and pulled by unstable magnetic fields (May 22-24, 2017).
PIA21650:
Hedgerow Prominence Animation Icon
Full Resolution:     TIFF (4.238 MB)     JPEG (270.8 kB)
Add Image to Favorite List 2017-05-25 Hubble Space Telescope
Hubble Space Telescope
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This pair of visible-light and near-infrared photos from NASA's Hubble Space Telescope shows the giant star N6946-BH1 before and after it vanished out of sight by imploding to form a black hole.
PIA21467:
Massive Star Goes Out With a Whimper Instead of a Bang
Full Resolution:     TIFF (6.144 MB)     JPEG (275.2 kB)
Add Image to Favorite List 2017-05-25 Hubble Space Telescope
Spitzer Space Telescope
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This illustration shows the final stages in the life of a supermassive star that fails to explode as a supernova, but instead implodes to form a black hole.
PIA21466:
Massive Star Goes Out With a Whimper Instead of a Bang (Artist's Concept)
Full Resolution:     TIFF (894.6 kB)     JPEG (40.32 kB)
Add Image to Favorite List 2017-05-22 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory spots several bright bands of plasma connect from one active region to another, even though they are tens of thousands of miles away from each other (May 17-18, 2017).
PIA21638:
Active Regions' Magnetic Connection Animation Icon
Full Resolution:     TIFF (4.356 MB)     JPEG (148.6 kB)
Add Image to Favorite List 2017-05-16 Sol (our sun) SDO
Atmosphere Imaging Assembly
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At the edge of the sun, a large prominence and a small prominence began to shift, turn and fall apart in less than one day, observed by NASA's Solar Dynamics Observatory, May 8-9, 2017.
PIA21634:
Two Prominences Unraveling Animation Icon
Full Resolution:     TIFF (2.682 MB)     JPEG (192.6 kB)
Add Image to Favorite List 2017-05-10 Hubble Space Telescope
XMM-Newton
Chandra X-ray Observatory
Spitzer Space Telescope
Very Large Array (VLA)
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This image of the Crab Nebula combines data from five different telescopes. It is know as the expanding gaseous remnant from a star that self-detonated as a supernova, briefly shining as brightly as 400 million suns.
PIA21474:
Crab Nebula from Five Observatories
Full Resolution:     TIFF (2.823 MB)     JPEG (119.2 kB)
Add Image to Favorite List 2017-05-09 Sol (our sun) SDO
Atmosphere Imaging Assembly
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Strands of plasma at the sun's edge shifted and twisted back and forth over a 22-hour period, May 2-3, 2017. In this close-up from NASA's Solar Dynamics Observatory, the strands are being manipulated by strong magnetic forces associated with active region
PIA21632:
Shifting Plasma Animation Icon
Full Resolution:     TIFF (3.975 MB)     JPEG (262.6 kB)
Add Image to Favorite List 2017-05-01 Sol (our sun) SDO
Atmosphere Imaging Assembly
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The magnetic field lines between a pair of active regions formed a beautiful set of swaying arches rising up above them Apr. 24-26, 2017, as seen by NASA's Solar Dynamics Observatory.
PIA21604:
Solar Golden Arches
Full Resolution:     TIFF (5.45 MB)     JPEG (178.6 kB)
Add Image to Favorite List 2017-04-24 Sol (our sun) SDO
Atmosphere Imaging Assembly
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An active region that had just rotated into NASA's Solar Dynamics Observatory's view blasted out a coronal mass ejection, which was immediately followed by a bright series of post-coronal loops seeking to reorganize that region's magnetic field.
PIA21598:
Cascading Post-coronal Loops
Full Resolution:     TIFF (1.543 MB)     JPEG (60.73 kB)
Add Image to Favorite List 2017-04-18 Sol (our sun) SDO
Atmosphere Imaging Assembly
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A dark, elongated filament rose up and broke to the lower left and out from the sun seen by NASA's Solar Dynamics Observatory, Apr.9-10, 2017. Filaments are cooler clouds of plasma tethered above the sun's surface by magnetic forces.
PIA21592:
Filament Breakaway Animation Icon
Full Resolution:     TIFF (3.207 MB)     JPEG (274.8 kB)
Add Image to Favorite List 2017-04-12 Kepler
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This artist's concept shows a hypothetical planet covered in water around the binary star system of Kepler-35A and B.
PIA21470:
Water World Artist Concept
Full Resolution:     TIFF (3.278 MB)     JPEG (163.5 kB)
Add Image to Favorite List 2017-04-11 Sol (our sun) SDO
Atmosphere Imaging Assembly
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An active region at the sun's edge produced several M5-class (medium sized) flares over a ten-hour period on Apr. 3, 2017, as seen by NASA's Solar Dynamics Observatory.
PIA21584:
Flares in Profile Animation Icon
Full Resolution:     TIFF (2.975 MB)     JPEG (126.2 kB)
Add Image to Favorite List 2017-04-11 New Horizons
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This is an overhead view of NASA's New Horizons full trajectory; the spacecraft has entered a hibernation phase on April 7 that will last until early September.
PIA21589:
Nap Time for New Horizons: NASA Spacecraft Enters Hibernation
Full Resolution:     TIFF (1.052 MB)     JPEG (265.5 kB)
Add Image to Favorite List 2017-04-04 New Horizons
LORRI
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In preparation for NASA's New Horizons flyby of 2014 MU69 on Jan. 1, 2019, the spacecraft's LORRI took a series of 10-second exposures of the background star field near the location of its target Kuiper Belt object (KBO).
PIA21588:
A KBO among the Stars
Full Resolution:     TIFF (845.9 kB)     JPEG (414.8 kB)
Add Image to Favorite List 2017-03-28 Sol (our sun) SDO
Atmosphere Imaging Assembly
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As an active region rotated into view, NASA's Solar Dynamics Observatory was able to observe well-defined magnetic loops gyrating above the sun between Mar, 23-24, 2017.
PIA21583:
Dynamic Loops in Profile Animation Icon
Full Resolution:     TIFF (4.186 MB)     JPEG (182.8 kB)
Add Image to Favorite List 2017-03-23 Galaxy Evolution Explorer (GALEX)
NuSTAR
GALEX Telescope
NuSTAR
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NASA's NuSTAR has identified a candidate pulsar in Andromeda, the nearest large galaxy to the Milky Way. This likely pulsar is brighter at high energies than the Andromeda galaxy's entire black hole population.
PIA20970:
Pulsar Candidate in Andromeda
Full Resolution:     TIFF (3.973 MB)     JPEG (291.9 kB)
Add Image to Favorite List 2017-03-22 SDO
Atmosphere Imaging Assembly
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The sun has been virtually spotless, as in no sunspots, over the past 11 days, a spotless stretch that we have not seen since the last solar minimum many years ago. From NASA's SDO Mar. 14-17, 2017.
PIA21569:
Spotless Sun Animation Icon
Full Resolution:     TIFF (4.696 MB)     JPEG (122.5 kB)
Add Image to Favorite List 2017-03-20 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory sees the sun has been virtually spotless, as in no sunspots, a 11-day spotless stretch not seen since the last solar minimum many years ago.
PIA21582:
Spotless Sun Animation Icon
Full Resolution:     TIFF (4.696 MB)     JPEG (122.5 kB)
Add Image to Favorite List 2017-03-16 Sol (our sun) SDO
Atmosphere Imaging Assembly
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When an active region rotated over to the edge of the sun, it presented NASA's Solar Dynamics Observatory with a nice profile view of its elongated loops stretching and swaying above it (Mar. 8-9, 2017).
PIA21562:
Stretched Loops Animation Icon
Full Resolution:     TIFF (3.351 MB)     JPEG (91.7 kB)
Add Image to Favorite List 2017-03-08 Sol (our sun) SDO
Atmosphere Imaging Assembly
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Several small sunspots appeared this week, giving NASA's Solar Dynamics Observatory a chance to illustrate their sources (Mar. 2, 2017). Magnetic forces are the dynamic drivers here in these regions of the sun.
PIA21557:
Sorting through Layers Animation Icon
Full Resolution:     TIFF (11.85 MB)     JPEG (719.2 kB)
Add Image to Favorite List 2017-02-28 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory observed a solar prominence gathering itself into a twisting cone, then rose up and broke apart in a delicate dance of plasma above the sun on Feb. 20, 2017.
PIA21552:
Delicate Ballet Animation Icon
Full Resolution:     TIFF (4.835 MB)     JPEG (198.5 kB)
Add Image to Favorite List 2017-02-22 Spitzer Space Telescope
TRAPPIST
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This frame from a video depicts artist's concepts of each of the seven planets orbiting TRAPPIST-1, an ultra-cool dwarf star. Over 21 days.
PIA21468:
TRAPPIST-1 Planets - Flyaround Animation
Full Resolution:     TIFF (2.807 MB)     JPEG (56.05 kB)
Add Image to Favorite List 2017-02-22 Spitzer Space Telescope
TRAPPIST
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This illustration shows the seven TRAPPIST-1 planets as they might look as viewed from Earth using a fictional, incredibly powerful telescope. The sizes and relative positions are correctly to scale.
PIA21429:
Transit Illustration of TRAPPIST-1
Full Resolution:     TIFF (26.82 MB)     JPEG (535.5 kB)
Add Image to Favorite List 2017-02-22 Spitzer Space Telescope
TRAPPIST
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All seven planets discovered in orbit around the red dwarf star TRAPPIST-1 could easily fit inside the orbit of Mercury, the innermost planet of our solar system.
PIA21428:
TRAPPIST-1 Comparison to Solar System and Jovian Moons
Full Resolution:     TIFF (3.612 MB)     JPEG (646.9 kB)
Add Image to Favorite List 2017-02-22 Spitzer Space Telescope
TRAPPIST
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This frame from a video details a system of seven planets orbiting TRAPPIST-1, an ultra-cool dwarf star.
PIA21427:
TRAPPIST-1 Planetary Orbits and Transits
Full Resolution:     TIFF (1.411 MB)     JPEG (61.72 kB)
Add Image to Favorite List 2017-02-22 Spitzer Space Telescope
TRAPPIST
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The first observations of the TRAPPIST-1 system reported in 2016 revealed three planets orbiting a small, red-dwarf star, though the exact location of the outermost one, was not well-determined (yellow band, top image).
PIA21426:
The Discovery of TRAPPIST-1 Planets
Full Resolution:     TIFF (3.828 MB)     JPEG (491 kB)
Add Image to Favorite List 2017-02-22 Spitzer Space Telescope
TRAPPIST
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Three of the TRAPPIST-1 planets dwell in their star's so-called 'habitable zone,' shown in green. This is the band around the star where temperatures are just right, not too hot, not too cold, for liquid water to pool on the surface of an Earth-like world
PIA21424:
The TRAPPIST-1 Habitable Zone
Full Resolution:     TIFF (10.46 MB)     JPEG (624.5 kB)
Add Image to Favorite List 2017-02-22 Spitzer Space Telescope
TRAPPIST
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Imagine standing on the surface of the exoplanet TRAPPIST-1f. This artist's concept is one interpretation of what it could look like.
PIA21423:
Surface of TRAPPIST-1f
Full Resolution:     TIFF (27.53 MB)     JPEG (1.016 MB)
Add Image to Favorite List 2017-02-22 Spitzer Space Telescope
TRAPPIST
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This artist's concept shows what the TRAPPIST-1 planetary system may look like, based on available data about the planets' diameters, masses and distances from the host star.
PIA21422:
TRAPPIST-1 Planet Lineup
Full Resolution:     TIFF (11.88 MB)     JPEG (487.1 kB)
Add Image to Favorite List 2017-02-22 Spitzer Space Telescope
TRAPPIST
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The TRAPPIST-1 star, an ultra-cool dwarf, has seven Earth-size planets orbiting it. This artist's concept appeared on the cover of the journal Nature in Feb. 23, 2017 announcing new results about the system.
PIA21421:
Abstract Concept of TRAPPIST-1 System
Full Resolution:     TIFF (13.91 MB)     JPEG (422.5 kB)
Add Image to Favorite List 2017-02-21 Sol (our sun) SDO
Atmosphere Imaging Assembly
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Several times a day for a few days the Earth completely blocked the Sun for about an hour due to NASA's Solar Dynamics Observatory's orbital path (Feb. 15, 2017).
PIA21461:
Earth Eclipses the Sun Animation Icon
Full Resolution:     TIFF (1.273 MB)     JPEG (62.33 kB)
Add Image to Favorite List 2017-02-06 Sol (our sun) SDO
Atmosphere Imaging Assembly
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Between Jan. 30-Feb. 2, 2017, NASA's Solar Dynamics Observatory saw a substantial coronal hole rotating across the face of the sun this past week and is again streaming solar wind towards Earth.
PIA11177:
Returning Coronal Hole Animation Icon
Full Resolution:     TIFF (3.801 MB)     JPEG (138.7 kB)
Add Image to Favorite List 2017-01-31 NuSTAR
SWIFT
XMM-Newton
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These four images show an artist's impression of gas accreting onto the neutron star in the binary system MXB 1730-335, also known as the 'Rapid Burster.'
PIA21418:
The Rapid Burster
Full Resolution:     TIFF (48.77 MB)     JPEG (1.679 MB)
Add Image to Favorite List 2017-01-30 Sol (our sun) SDO
Atmosphere Imaging Assembly
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On Jan. 23-24, 2017, NASA's Solar Dynamics Observatory watched as a solar prominence rose up along the edge of the sun and twisted and churned for about two days before falling apart. The dynamic action was generated by competing magnetic forces.
PIA11237:
Churning Prominence Animation Icon
Full Resolution:     TIFF (4.432 MB)     JPEG (220.6 kB)
Add Image to Favorite List 2017-01-30 HIP 79124 B W. M. Keck Observatory
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This image shows brown dwarf HIP 79124 B, located 23 times as far from its host star as Earth is from the sun.
PIA21417:
Brown Dwarf HIP 79124 B
Full Resolution:     TIFF (840.7 kB)     JPEG (27.26 kB)
Add Image to Favorite List 2017-01-30 HD 141569 W. M. Keck Observatory
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This image shows the dusty disk of planetary material surrounding the young star HD 141569, located 380 light-years away from Earth.
PIA21090:
Young Star HD 141569
Full Resolution:     TIFF (585.1 kB)     JPEG (19.04 kB)
Add Image to Favorite List 2017-01-26 Sol (our sun) SDO
Atmosphere Imaging Assembly
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On Jan. 20, 2017, NASA's Solar Dynamics Observatory captured a small area of the sun highlighted three active region. Over half a day this active region sent dark swirls of plasma and bright magnetic arches twisting and turning above it.
PIA11703:
Gyrating Active Region Animation Icon
Full Resolution:     TIFF (4.472 MB)     JPEG (141.6 kB)
Add Image to Favorite List 2017-01-24 NGC 7331 Chandra X-ray Observatory
Chandra X-ray Telescope
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Supernova SN 2014C of a spiral galaxy called NGC 7331 is seen in the image from NASA's Chandra X-ray Observatory.
PIA21089:
Supernova SN 2014C (X-ray)
Full Resolution:     TIFF (4.854 MB)     JPEG (71.01 kB)
Add Image to Favorite List 2017-01-24 NGC 7331 Chandra X-ray Observatory
SDSS
Chandra X-ray Telescope
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This image from the Sloan Digital Sky Survey and NASA's Chandra X-ray Observatory (insets) shows spiral galaxy NGC 7331, center, where astronomers observed the unusual supernova SN 2014C.
PIA21088:
Supernova SN 2014C (Optical and X-Ray)
Full Resolution:     TIFF (1.854 MB)     JPEG (82.92 kB)
Add Image to Favorite List 2017-01-17 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory captured magnetic arcs of plasma that spiraled above two active regions held their shape fairly well over 18 hours on Jan. 11-12, 2017.
PIA12327:
Organized Arches Animation Icon
Full Resolution:     TIFF (4.328 MB)     JPEG (135 kB)
Add Image to Favorite List 2017-01-09 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory captured an elongated coronal hole rotated across the face of the sun this past week so that it is now streaming solar wind towards Earth (Jan. 2-5, 2017).
PIA14093:
Lengthy Coronal Hole Animation Icon
Full Resolution:     TIFF (7.362 MB)     JPEG (273.3 kB)
Add Image to Favorite List 2017-01-07 IC 3639 NuSTAR
Hubble Space Telescope
ESO
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IC 3639, a galaxy with an active galactic nucleus, is seen in this image combining data from NASA's Hubble Space Telescope and the European Southern Observatory.
PIA21087:
Galaxy IC 3639 with Obscured Active Galactic Nucleus
Full Resolution:     TIFF (3.008 MB)     JPEG (60.63 kB)
Add Image to Favorite List 2017-01-07 NGC 1448 Chandra X-ray Observatory
NuSTAR
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NGC 1448, a galaxy with an active galactic nucleus hidden by gas and dust, is seen in this image combining data from the Carnegie-Irvine Galaxy Survey in the optical range and NASA's NuSTAR in the X-ray range.
PIA21086:
Galaxy NGC 1448 with Active Galactic Nucleus
Full Resolution:     TIFF (7.376 MB)     JPEG (397.9 kB)
Add Image to Favorite List 2017-01-06 SWIFT
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This artist's concept shows a pulsar, which is like a lighthouse, as its light appears in regular pulses as it rotates. Pulsars are dense remnants of exploded stars, and are part of a class of objects called neutron stars.
PIA21085:
Pulsar Artist's Concept
Full Resolution:     TIFF (7.64 MB)     JPEG (177.3 kB)
Add Image to Favorite List 2017-01-05 4096x2560x3
This graphic shows all the cosmic light sources in the sky that are included in the NASA/IPAC Extragalactic Database (NED), an online repository containing information on over 100 million galaxies.
PIA21084:
NED Catalog Sky Source Map
Full Resolution:     TIFF (14.31 MB)     JPEG (1.889 MB)
Add Image to Favorite List 2017-01-03 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory took this close-up view of one day in the life of a rather small active region shows the agitation and dynamism of its magnetic field (Dec. 21, 2016).
PIA15032:
Jumpy Active Region Animation Icon
Full Resolution:     TIFF (5.395 MB)     JPEG (180.7 kB)
Add Image to Favorite List 2016-12-14 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory observed the sun produced swirling prominence activity of both its side, one after the other, over two days (Dec. 7-8, 2016).
PIA15301:
Both Sides Now Animation Icon
Full Resolution:     TIFF (3.383 MB)     JPEG (354.1 kB)
Add Image to Favorite List 2016-12-06 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory spied a substantial coronal hole begin to rotate into view over Dec. 1-2, 2016. Coronal holes are magnetically open areas of the sun's magnetic field structure that spew streams of high speed solar wind into space.
PIA21208:
Coronal Hole Coming Around Animation Icon
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Add Image to Favorite List 2016-11-30 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory spied the sun as it was hitting its lowest level of solar activity since 2011 (Nov. 14-18, 2016) while gradually marching toward solar minimum.
PIA21207:
Almost Spotless Animation Icon
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Add Image to Favorite List 2016-11-10 OGLE-2015-BLG-1319 Spitzer Space Telescope
SWIFT
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This illustration depicts a brown dwarf. NASA's Spitzer and Swift missions observed a microlensing event as the star passed between Earth and a much more distant star in our galaxy.
PIA21076:
Brown Dwarf Microlensing (Illustration)
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Add Image to Favorite List 2016-11-09 Sol (our sun) SDO
Atmosphere Imaging Assembly
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Two good-sized coronal holes have rotated around to the center of the sun where they will be spewing solar wind towards Earth were observed by NASA's Solar Dynamics Observatory on Nov. 8-9, 2016.
PIA16909:
Earth-Facing Coronal Holes Animation Icon
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Add Image to Favorite List 2016-11-04 Sol (our sun) SDO
Atmosphere Imaging Assembly
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A minor solar eruption triggered a crackling, white flash that sent an expanding wave of plasma below it over about six hours in this observation from NASA's Solar Dynamics Observatory on Nov. 4, 2016.
PIA21202:
Small Surf Animation Icon
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Add Image to Favorite List 2016-10-27 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory compares very large coronal holes taken Oct. 27, 2016. Coronal holes are areas of open magnetic field that carry solar wind out into space, currently causing a lot of geomagnetic activity here on Earth.
PIA15377:
Wavelength Comparison
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Add Image to Favorite List 2016-10-21 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory spies a pair of large coronal holes which rotated into view over the past few days (Oct. 20-21, 2016).
PIA15378:
Substantial Coronal Holes Animation Icon
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Add Image to Favorite List 2016-10-21 Kepler
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This artist's concept depicts 'heartbeat stars,' which have been detected by NASA's Kepler Space Telescope. Two heartbeat stars are seen swerving close to one another in their closest approach along their highly elongated orbits around one another.
PIA21075:
Heartbeat Stars (Artist's Concept)
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Add Image to Favorite List 2016-10-18 Kepler
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This illustration based on computer modeling and data from NASA's Kepler Space Telescope, represents how hot Jupiters of different temperatures and different cloud compositions might appear while flying over the dayside of these planets on a spaceship.
PIA21074:
Clouds on Hot Jupiters (Illustration)
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Add Image to Favorite List 2016-10-12 Orion Herschel Space Observatory
PACS
SPIRE
HIFI
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The dusty side of the Sword of Orion is illuminated in this striking infrared image from the European Space Agency's Hershel Space Observatory.
PIA21073:
Ionized Carbon Atoms in Orion
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Add Image to Favorite List 2016-10-11 Sol (our sun) SDO
Atmosphere Imaging Assembly
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An active region, just rotating into view on Oct. 4, 2016, gave NASA's Solar Dynamics Observatory a perfect view of the tussle of magnetic field lines above it.
PIA21109:
Agitated Active Region Animation Icon
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Add Image to Favorite List 2016-10-07 Comet Kepler
Rosetta
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NASA's planet-hunting Kepler spacecraft observed the comet during the final month of the Rosetta mission, while the comet was not visible from Earth. This is a frame from an animation composed of images from Kepler of the comet.
PIA21072:
Comet 67P Seen by Kepler Animation Icon
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Add Image to Favorite List 2016-10-06 Hubble Space Telescope
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This four-panel graphic based on data from NASA's Hubble's Space Telescope illustrates how the binary-star system V Hydrae is launching balls of plasma into space.
PIA21071:
Cannonballs' Shoot from Star (Artist Concept)
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Add Image to Favorite List 2016-10-04 Sol (our sun) SDO
Atmosphere Imaging Assembly
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A prominence observed along the right edge of the sun rose up and then most of it bent back down to the surface, as seen by NASA's Solar Dynamics Observatory on Oct. 4, 2016.
PIA21106:
Bendable Prominence Animation Icon
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Add Image to Favorite List 2016-09-29 Sol (our sun) SDO
Atmosphere Imaging Assembly
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When an active region rotated into a profile view, NASA's Solar Dynamics Observatory was able to capture the magnificent loops arching above an active region (Sept. 28-29, 2016). The Earth was inset to give a sense of the scale of these towering arches.
PIA21101:
Magnetic Field Arches Animation Icon
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Add Image to Favorite List 2016-09-28 Abell 2744 Spitzer Space Telescope
Spitzer Space Telescope
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This image of galaxy cluster Abell 2744, also called Pandora's Cluster, was taken by NASA's Spitzer Space Telescope. The gravity of this galaxy cluster is strong enough that it acts as a lens to magnify images of more distant background galaxies.
PIA20920:
'Pandora's Cluster' Seen by Spitzer
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Add Image to Favorite List 2016-09-21 Sol (our sun) SDO
Atmosphere Imaging Assembly
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On Sept. 18-21,2016 NASA's Solar Dynamics Observatory spotted a dark coronal hole that was facing towards Earth for several days spewing streams of solar wind in our direction.
PIA21067:
Earth-Directed Coronal Hole Animation Icon
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Add Image to Favorite List 2016-09-15 Sol (our sun) SDO
Atmosphere Imaging Assembly
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On Sept. 12-14,2016 NASA's Solar Dynamics Observatory spotted a series of active regions stretched along the right side of the sun exhibited a wide variety of loops cascading above them. Earth quickly passed in front of a portion of the sun.
PIA16997:
Varietal Loops Animation Icon
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Add Image to Favorite List 2016-09-15 Wide-field Infrared Survey Explorer (WISE)
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This illustration shows a glowing stream of material from a star as it is being devoured by a supermassive black hole in a tidal disruption flare. Astronomers gained new insights into tidal disruption flares thanks to data from NASA's WISE.
PIA20027:
Infrared Echoes of a Black Hole Eating a Star (Illustration)
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Add Image to Favorite List 2016-09-08 Sol (our sun) SDO
Atmosphere Imaging Assembly
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The two most noteworthy features on the sun this week were a pair of elongated filaments, as seen by NASA's Solar Dynamics Observatory on Sept. 8, 2016.
PIA16996:
Two Long Filaments
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Add Image to Favorite List 2016-09-08 Spitzer Space Telescope
Spitzer Space Telescope
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These nebulae seen by NASA's Spitzer Space Telescope, display two regions of star formation that are hidden behind a haze of dust when viewed in visible light, known officially y their catalog numbers, IRAS 19340+2016 and IRAS19343+2026.
PIA20917:
Enterprising Nebulae
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Add Image to Favorite List 2016-09-01 Sol (our sun) SDO
Atmosphere Imaging Assembly
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NASA's Solar Dynamics Observatory (SDO) saw both the Moon (upper right) and the Earth (upper left) partially block the sun (Sept. 1, 2016 at 7:33 UT). Just before this image was taken, the Earth totally blocked the sun for a while.
PIA21028:
Double Eclipse Animation Icon
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Add Image to Favorite List 2016-08-29 Spitzer Space Telescope
Spitzer Space Telescope
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An age-defying star called IRAS 19312+1950 stands out as extremely bright inside a large, chemically rich cloud of material, as shown in this image from NASA's Spitzer Space Telescope.
PIA20914:
Age-Defying Star
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Add Image to Favorite List 2016-08-25 Sol (our sun) SDO
Atmosphere Imaging Assembly
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Several times a day for a few days this week the Earth completely blocked the Sun for about an hour due to NASA's Solar Dynamics Observatory orbital path (Aug. 25, 2016).
PIA21027:
Eclipse Season for SDO Animation Icon
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Add Image to Favorite List 2016-08-24 Wide-field Infrared Survey Explorer (WISE)
Fermi Gamma-ray Space Telescope
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Black-hole-powered galaxies called blazars are the most common sources detected by NASA's Fermi Gamma-ray Space Telescope as shown in this artist's concept.
PIA20912:
Blazar Artist Concept
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Add Image to Favorite List 2016-08-13 Sol (our sun) SDO
Atmosphere Imaging Assembly
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Strands and arches of plasma streamed above the edge of the Sun for over a day, pulled by powerful magnetic forces Aug. 11-12, 2016., observed by NASA's Solar Dynamics Observatory.
PIA17913:
Playing Along the Edge Animation Icon
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Add Image to Favorite List 2016-07-28 Chandra X-ray Observatory
NuSTAR
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The blue dots in this field of galaxies, known as the COSMOS field, show galaxies that contain supermassive black holes emitting high-energy X-rays, as detected by NASA's Nuclear Spectroscopic Array, or NuSTAR.
PIA20865:
A Black Hole 'Choir'
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Add Image to Favorite List 2016-07-27 Chandra X-ray Observatory
Spitzer Space Telescope
Wide-field Infrared Survey Explorer (WISE)
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This artist's concept shows an unusual celestial object called CX330 was first detected as a source of X-ray light in 2009. It has been launching 'jets' of material into the gas and dust around it.
PIA20700:
The Loneliest Young Star (Artist's Concept)
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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
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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
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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
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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)
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