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ESO Views Star Forming Cloud RCW 34

May 27, 2015

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New ESO Image of RCW 34

This newly released image from the European Southern Observatory shows the young star-forming region RCW 34. In the brightest region of this glowing nebula called RCW 34, gas is heated dramatically by young stars and expands through the surrounding cooler gas. Once the heated hydrogen reaches the borders of the gas cloud, it bursts outwards […]

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12-Frame Mosaic of Europa’s Jupiter-Facing Hemisphere

May 27, 2015

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Galileo View of Jupiter's Moon Europa

This 12-frame mosaic was taken by Galileo’s camera when the spacecraft was 94,000 kilometers from Europa, providing the highest resolution view ever obtained of the side of Jupiter’s moon Europa that faces the giant planet. This 12-frame mosaic provides the highest resolution view ever obtained of the side of Jupiter’s moon Europa that faces the […]

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New Cassini View of Rhea’s Horizon

May 27, 2015

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Cassini Views the Surface of Rhea

This newly released Cassini image shows the surface of Saturn’s moon Rhea. Gazing off toward the horizon is thought-provoking no matter what body’s horizon it is. Rhea’s horizon is slightly irregular and battered by craters, so thoughts inevitably turn towards the forces that shape these icy worlds. The surface of Rhea (949 miles or 1527 […]

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Hubble Views the Densest Known Star Cluster in the Milky Way

May 26, 2015

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The Densest Known Star Cluster in the Milky Way

This newly released Hubble image shows the Arches Cluster, the densest known star cluster in the Milky Way. The Arches Cluster is located about 25,000 light-years from Earth in the constellation of Sagittarius (The Archer), close to the heart of our galaxy, the Milky Way. It is, like its neighbour the Quintuplet Cluster, a fairly […]

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Dawn Captures New Images of Ceres Bright Spots

May 21, 2015

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Up Close View of Ceres Bright Spots

New images from NASA’s Dawn spacecraft show the closest view to date of the mysterious bright spots on Ceres. NASA’s Dawn mission captured a sequence of images, taken for navigation purposes, of dwarf planet Ceres on May 16, 2015. The image showcases the group of the brightest spots on Ceres, which continue to mystify scientists. […]

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New ESO Image of the Medusa Nebula

May 20, 2015

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New ESO Image of the Medusa Nebula

This newly released image from the European Southern Observatory is the most detailed image ever taken of the Medusa Nebula. Astronomers using ESO’s Very Large Telescope in Chile have captured the most detailed image ever taken of the Medusa Nebula. As the star at the heart of this nebula made its transition into retirement, it […]

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Cassini Views Saturn’s Moon Janus

May 18, 2015

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Cassini Image of Janus

This image from the Cassini spacecraft shows Saturn’s moon Janus at a distance of approximately 2.5 million kilometers. Although Janus should be the least lonely of all moons – sharing its orbit with Epimetheus – it still spends most of its orbit far from other moons, alone in the vastness of space. Janus (111 miles […]

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Hubble Image of the Week – Tangled NGC 6240

May 18, 2015

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Hubble Revisits Galaxy NGC 6240

First viewed in 2008, this Hubble image shows galaxy NGC 6240. Not all galaxies are neatly shaped, as this new NASA/ESA Hubble Space Telescope image of NGC 6240 clearly demonstrates. Hubble previously released an image of this galaxy back in 2008, but the knotted region, shown here in a pinky-red hue at the center of […]

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New Horizons Photographs Pluto’s Faintest Known Moons for the First Time

May 13, 2015

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New Horizons Spots Pluto’s Faintest Known Moons

NASA’s New Horizons spacecraft has photographed Kerberos and Styx – the smallest and faintest of Pluto’s five known moons. It’s a complete Pluto family photo – or at least a photo of the family members we’ve already met. Following the spacecraft’s detection of Pluto’s giant moon Charon in July 2013, and Pluto’s smaller moons Hydra […]

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Serene Saturn – Cassini Image of Saturn and Mimas

May 11, 2015

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Cassini Views Saturn

Taken by NASA’s Cassini Spacecraft, this image shows Saturn and Mimas using a spectral filter centered at 752 nanometers, in the near-infrared portion of the spectrum. From a distance Saturn seems to exude an aura of serenity and peace. In spite of this appearance, Saturn is an active and dynamic world. Its atmosphere is a […]

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Hubble Views Elliptical Galaxy NGC 3923

May 11, 2015

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Hubble Image of Elliptical Galaxy NGC 3923

This Hubble image of the week shows elliptical galaxy NGC 3923, which is located over 90 million light-years away in the constellation of Hydra. NGC 3923 is an example of a shell galaxy where the stars in its halo are arranged in layers. Finding concentric shells of stars enclosing a galaxy is quite common and […]

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New ESO Image of a Dark Molecular Cloud

May 5, 2015

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ESO Image of Molecular Cloud LDN1774

This newly released image from the 2.2-meter MPG/ESO telescope shows the dark molecular cloud cataloged as LDN1774. Rather than showing spectacular objects, some of the most surprising images of the Universe instead focus on emptiness. This new image from the 2.2-meter MPG/ESO telescope shows dark tentacles swirling outwards from a dark, blank spot of space […]

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Cassini Views “The Great Eye” of Saturn’s Moon Mimas

May 4, 2015

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Cassini Views Saturn's Moon Mimas

Taken by NASA’s Cassini spacecraft, this image reveals the 130-kilometer-wide impact crater on Saturn’s moon Mimas. The great eye of Saturn’s moon Mimas, a 130-kilometer-wide (80-mile) impact crater called Herschel, stares out from the battered moon. Several individual ringlets within the F ring are resolved here, and the small moon Atlas is also seen faintly […]

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Hubble Image of the Week – The Peculiar Asymmetry of Galaxy NGC 949

May 4, 2015

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Hubble Views Galaxy NGC 949

This newly released Hubble image provides the clearest ever view of galaxy NGC 949, which lies over 30 million light-years away in the constellation of Triangulum. The galaxy has an unusual shape, made more obscure due to its inclination. From our point of view, it is difficult to discern exactly what type of galaxy NGC […]

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ESO Reveals the Pillars of Creation in 3D

May 1, 2015

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ESO Reveals The Pillars of Creation in 3D

A team of astronomers reveal the first complete three-dimensional view of the famous Pillars of Creation. Using the MUSE instrument on ESO’s Very Large Telescope (VLT), astronomers have produced the first complete three-dimensional view of the famous Pillars of Creation in the Eagle Nebula, Messier 16. The new observations demonstrate how the different dusty pillars […]

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Hubble Image of the Week: Galactic Refurbishment

April 28, 2015

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Hubble Views UGC 5797

This newly released Hubble image shows galaxy UGC 5797. The smudge of stars at the center of this NASA/ESA Hubble Space Telescope image is a galaxy known as UGC 5797. UGC 5797 is an emission line galaxy, meaning that it is currently undergoing active star formation. The result is a stellar population that is constantly […]

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Celestial Fireworks – Official Image for Hubble’s 25th Anniversary

April 23, 2015

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Hubble Image of the Day Westerlund 2

This Hubble image of star cluster Westerlund 2 was chosen as Hubble’s 25th anniversary image. The brilliant tapestry of young stars flaring to life resemble a glittering fireworks display in the 25th anniversary NASA Hubble Space Telescope image, released to commemorate a quarter century of exploring the solar system and beyond since its launch on […]

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