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New View of Saturn’s A and F Rings

July 25, 2016

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New Cassini View of Saturn's A and F Rings

The Cassini Spacecraft gives us another interesting view of Saturn. Saturn’s A and F rings appear bizarrely warped where they intersect the planet’s limb, whose atmosphere acts here like a very big lens. In its upper regions, Saturn’s atmosphere absorbs some of the light reflected by the rings as it passes through. But absorption is […]

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New Deep View of the Large and Small Magellanic Clouds

July 25, 2016

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Low Surface Brightness Imaging of the Magellanic System

This newly released ESO image reveals a new view of the Large and Small Magellanic Clouds. Each of the thousands of spots in this new image represents a distant star, and the glittering blue holes reveal glimpses of our neighboring galaxies, the Large and Small Magellanic Clouds. Although this image looks as if it was […]

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Hubble Telescope Views Remnants of a Dead Star

July 25, 2016

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Hubble Views Remnants of a Dead Star DEM L316A

This newly released Hubble image captures the remnants of a long-dead star. These rippling wisps of ionized gas, named DEM L316A, are located some 160,000 light-years away within one of the Milky Way’s closest galactic neighbors — the Large Magellanic Cloud (LMC). The explosion that formed DEM L316A was an example of an especially energetic […]

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Hubble Unveils Galaxies Near and Far

July 21, 2016

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New Hubble Image

Using gravitational lensing, the Hubble Space Telescope unveils a very cluttered-looking universe filled with galaxies near and far. Celebrating its 50th anniversary this year, the TV series “Star Trek” has captured the public’s imagination with the signature phrase, “To boldly go where no one has gone before.” NASA’s Hubble Space Telescope doesn’t “boldly go” deep […]

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WISE Reveals the X-Shaped Bulge of the Milky Way

July 19, 2016

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X Shape Marks Milky Way’s Central Bulge of Stars

Using data from NASA’s Wide-field Infrared Survey Explorer (WISE) mission, astronomers reveal that the Milky Way’s central bulge of stars forms an “X” shape. The unconventional collaboration started in May 2015 when Dustin Lang, an astronomer at the Dunlap Institute of the University of Toronto, posted galaxy maps to Twitter, using data from WISE’s two […]

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Cassini Image Shows Saturn’s Rings with Dione and Epimetheus

July 18, 2016

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New Cassini Image Shows Dione and Epimetheus

This newly released Cassini image shows Saturn’s rings with Dione and Epimetheus off in the distance. Saturn’s main rings, along with its and moons, are much brighter than most stars. As a result, much shorter exposure times (10 milliseconds, in this case) are required to produce an image and not saturate the detectors of the […]

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ALMA Detects Water Snowline Around Young Star V883 Orionis

July 18, 2016

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Water Snowline Around Young Star V883 Orionis

Using the Atacama Large Millimeter/submillimeter Array (ALMA), a team of astronomers has made the first ever resolved observation of a water snow line within a protoplanetary disc. This line marks where the temperature in the disc surrounding a young star drops sufficiently low for snow to form. A dramatic increase in the brightness of the […]

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Hubble Reveals the Vibrant Core of Galaxy NGC 3125

July 18, 2016

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Hubble Views Galaxy NGC 3125

This newly released Hubble image reveals the vibrant core of the galaxy NGC 3125, which is located 50 million light-years away. Discovered by John Herschel in 1835, NGC 3125 is a great example of a starburst galaxy — a galaxy in which unusually high numbers of new stars are forming, springing to life within intensely […]

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NASA’s Top 10 Pluto Pics from the New Horizons Spacecraft

July 15, 2016

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Global Mosaic of Pluto in True Color

One year ago, NASA’s New Horizons mission made history by exploring Pluto and its moons – giving humankind our first real look at this fascinating world on the frontier of our solar system. Since those amazing days in July 2015 the New Horizons spacecraft has transmitted numerous images and many other kinds of data home […]

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Chandra Reveals Evidence for Violent Stellar Merger

July 15, 2016

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Astronomers Find Evidence for Violent Stellar Merger

Using data from Chandra, astronomers have the strongest evidence to date that violent stellar mergers produce pencil-thin jets. This result has implications for estimating the number of such mergers that may detected with gravitational wave observatories. Gamma-ray bursts, or GRBs, are some of the most violent and energetic events in the Universe. Although these events […]

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A Quiet Space in the Core of the Perseus Cluster

July 15, 2016

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Astronomers Study the Quiet Intracluster Medium in the Core of the Perseus Cluster

Using the Hitomi satellite astronomers find that turbulence in the central region of the Perseus cluster is low, implying that errors in previous measurements of the masses of galaxy clusters using X-ray observations are small. Most galaxies lie in clusters, groupings of a few to many thousands of galaxies. Our Milky Way galaxy itself is […]

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New Map Measures the Effects of Dark Energy in the Expansion of the Universe

July 14, 2016

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Astronomers Measure Dark Energy

A new study details the results from the largest-ever, three-dimensional map of distant galaxies. The map is one of the most precise measurements yet of the dark energy currently driving the accelerated expansion of the Universe. “We have spent five years collecting measurements of 1.2 million galaxies over one quarter of the sky to map […]

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Kepler Shows Warm Jupiters Not As Lonely As Expected

July 14, 2016

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Warm Jupiters Not As Lonely As Expected

Astronomers have used data from the Kepler Space Telescope to give the clearest understanding yet of a class of exoplanets called Warm Jupiters, revealing that many have unexpected planetary companions. The team’s analysis, published July 10th in the Astrophysical Journal, provides strong evidence of the existence of two distinct types of Warm Jupiters, each with […]

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Astronomers Prove the Existence of a “Gravitational Vortex” Around a Black Hole

July 13, 2016

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XMM-Newton Proves the Existence of a "Gravitational Vortex" Around a Black Hole

Using data from XMM-Newton and NuSTAR, astronomers have proved the existence of a “gravitational vortex” around a black hole. This new discovery, aided by NASA’s Nuclear Spectroscopic Telescope Array (NuSTAR) mission, solves a mystery that has eluded astronomers for more than 30 years, and will allow them to map the behavior of matter very close […]

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First In-orbit View from NASA’s Juno Spacecraft

July 13, 2016

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Juno Spacecraft Sends First In-orbit Image

The first high-resolution images of Jupiter are still several weeks away, but NASA’s Juno Spacecraft did capture this new image as it entered orbit around the planet. The JunoCam camera aboard NASA’s Juno mission is operational and sending down data after the spacecraft’s July 4 arrival at Jupiter. Juno’s visible-light camera was turned on six […]

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New Cassini Image – Tethys Tops Saturn

July 11, 2016

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New Cassini Image of Tethys Above Saturn

This newly released Cassini image provides an illusion of perspective, showing Saturn’s moon Tethys above the planet’s north pole. Tethys (660 miles or 1,062 kilometers across) is actually farther away than Saturn in this image. Lacking visual clues about distance, our brains place the moon above Saturn’s north pole. Tethys, like all of Saturn’s major […]

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Astronomers Reveal the Secrets of ‘Frankenstein’ Galaxy UGC 1382

July 11, 2016

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'Frankenstein' Galaxy Surprises Scientists

Using data from NASA telescopes and other observatories, astronomers reveal the secrets of UGC 1382, revealing that the galaxy is 10 times bigger than previously thought and, unlike most galaxies, its insides are younger than its outsides, almost as if it had been built using spare parts. About 250 million light-years away, there’s a neighborhood […]

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Hubble Image of the Week – Starburst Galaxy MCG+07-33-027

July 11, 2016

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Hubble Views Starburst Galaxy Named MCG+07-33-027

This newly released Hubble image shows starburst galaxy MCG+07-33-027, which is located 300 million light-years away. This image was taken by the NASA/ESA Hubble Space Telescope’s Advanced Camera for Surveys (ACS), and shows a starburst galaxy named MCG+07-33-027. This galaxy lies some 300 million light-years away from us, and is currently experiencing an extraordinarily high […]

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