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Chandra Reveals Geometrical Explanation for Puzzling Differences in Behavior of Pulsars

January 19, 2017

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Chandra Shows That Geometry Solves a Pulsar Puzzle

New X-ray images from Chandra have shown distinctly different shapes for the structures around two pulsars. By studying the shape and orientation of these structures, astronomers may be able to explain the presence or absence of radio and gamma-ray pulses from these systems. NASA’S Chandra X-ray Observatory has taken deep exposures of two nearby energetic […]

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New Cassini Image of Small Moon Daphnis

January 19, 2017

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New Cassini Image of Daphnis

This new Cassini image features one of Saturn’s small moons. The wavemaker moon, Daphnis, is featured in this view, taken as NASA’s Cassini spacecraft made one of its ring-grazing passes over the outer edges of Saturn’s rings on January 16, 2017. This is the closest view of the small moon obtained yet. Daphnis (5 miles […]

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New Cassini Image – Peeking Over Saturn’s Shoulder

January 18, 2017

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Cassini Peeks Over Saturn's Shoulder

This newly released Cassini image shows Saturn in a way no Earth-based telescope ever could. No Earth-based telescope could ever capture a view quite like this. Earth-based views can only show Saturn’s daylit side, from within about 25 degrees of Saturn’s equatorial plane. A spacecraft in orbit, like Cassini, can capture stunning scenes that would […]

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NASA’s Mars Curiosity Rover Examines Possible Mud Cracks

January 18, 2017

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Curiosity Rover Examines Possible Mud Cracks

NASA’s Curiosity Mars Rover has examined slabs of rock cross-hatched with shallow ridges that likely originated as cracks in drying mud. “Mud cracks are the most likely scenario here,” said Curiosity science team member Nathan Stein. He is a graduate student at Caltech in Pasadena, California, who led the investigation of a site called “Old […]

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A Catalog of Kepler Habitable Zone Exoplanet Candidates

January 18, 2017

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Catalog of Habitable Zone Exoplanets

A newly published study provides a list of habitable zone exoplanet candidates from the Kepler Data Release 24 Q1-Q17 data vetting process. In our solar system, the Earth is cozily situated in the middle of the habitable zone which, depending on the model, extends roughly from Venus to Mars. The Kepler mission has as one […]

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New NASA Mission Will Visit Metal Asteroid 16 Psyche

January 17, 2017

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New NASA Mission Will Visit a Metal Asteroid

NASA has announced a new mission that will send an unmanned spacecraft to a large asteroid in the primary asteroid belt between Mars and Jupiter. NASA recently announced a pair of new space missions to explore questions about the earliest stages of our solar system. One of the missions, Psyche, will send an unmanned spacecraft […]

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VISTA Survey Reveals Hidden Secrets of Orion’s Clouds

January 17, 2017

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VISTA Reveals Hidden Secrets of Orion’s Clouds

The VISTA infrared survey telescope reveals the most detailed view of Orion A molecular cloud in the near-infrared. The new image from the VISION survey (VIenna Survey In Orion) is a montage of images taken in the near-infrared part of the spectrum by the VISTA survey telescope at ESO’s Paranal Observatory in Chile. It covers […]

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New ALMA Images Reveal Otherwise Invisible Details of Our Sun

January 17, 2017

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ALMA-Starts-Observing-the-Sun

” ngg_triggers_display=”never” order_by=”sortorder” order_direction=”ASC” returns=”included” maximum_entity_count=”500″]New images taken with the Atacama Large Millimeter/submillimeter Array have revealed otherwise invisible details of our Sun, including a new view of the dark, contorted center of a sunspot that is nearly twice the diameter of the Earth. The images are the first ever made of the Sun with a […]

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Juno Spacecraft Image Shows Crescent Jupiter with the Great Red Spot

January 16, 2017

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Juno Image Shows Jupiter with the Great Red Spot

Using data from Juno’s JunoCam instrument, citizen scientist Roman Tkachenko created this image of a crescent Jupiter and the iconic Great Red Spot. The image also shows a series of storms shaped like white ovals, known informally as the ‘string of pearls.’ Below the Great Red Spot a reddish long-lived storm known as Oval BA […]

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Hubble Telescope Views a Slice of Sagittarius

January 16, 2017

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Hubble Views a Slice of Sagittarius

This Hubble image of the week shows part of the sky in the constellation of Sagittarius (The Archer). The region is rendered in exquisite detail — deep red and bright blue stars are scattered across the frame, set against a background of thousands of more distant stars and galaxies. Two features are particularly striking: the […]

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Astronomers Discover a Cosmic Particle Accelerator in Abell 3411 and 3412

January 13, 2017

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Astronomers Discover Powerful Cosmic Double Whammy

Using data from NASA’s Chandra X-ray Observatory and several other telescopes, a team of astronomers has discovered a cosmic one-two punch unlike any ever seen before. The phenomena occurred in a pair of colliding galaxy clusters called Abell 3411 and Abell 3412. This result shows that an eruption from a supermassive black hole combined with […]

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Video Shows Images of Titan’s Surface from Huygens Probe

January 13, 2017

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Cassini Finds Monstrous Ice Cloud in Titan’s South Polar Region

On January 14, 2005, ESA’s Huygens probe made its descent to the surface of Saturn’s hazy moon, Titan. Carried to Saturn by NASA’s Cassini spacecraft, Huygens made the most distant landing ever on another world, and the only landing on a body in the outer solar system. This video uses actual images taken by the […]

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Astronomers Discover Giant Halos Around Early Galaxies

January 12, 2017

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Photons Struggle to Escape Distant Galaxies

Using the Isaac Newton Telescope, a team of astronomers has discovered giant halos of photons around early Milky Way type galaxies. In order to understand how our own Milky Way galaxy formed and evolved, astronomers rely on observing distant galaxies. As their light takes billions of years to reach us, telescopes can be used as […]

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UCLA Study Shows the Moon is Older Than Previously Thought

January 12, 2017

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Study Shows the Moon is Older Than Prevoiusly Thought

By analyzing minerals brought back by the 1971 Apollo mission, a new study from UCLA shows that the moon is 40 million to 140 million years older than scientists previously thought. A UCLA-led research team reports that the moon is at least 4.51 billion years old, or 40 million to 140 million years older than […]

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Astronomers Identify the Home Galaxy of a Fast Radio Burst

January 11, 2017

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Galaxy of a Fast Radio Burst Identified

For the first time, a team of astronomers has pinpointed the location of a “fast radio burst” and have used this to identify its home galaxy. The galaxy, located over 3 billion light years away, is small, a so-called dwarf galaxy, and very different to our own Milky Way. Also, a persistent, compact radio source […]

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Astronomers Reveal Farthest Stars in Milky Way Were Ripped from Another Galaxy

January 11, 2017

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Farthest Stars in Milky Way Might Be Ripped from Another Galaxy

New research reveals that five of the 11 farthest known stars in our galaxy were ripped from another galaxy – the Sagittarius dwarf. The 11 farthest known stars in our galaxy are located about 300,000 light-years from Earth, well outside the Milky Way’s spiral disk. New research by Harvard astronomers shows that half of those […]

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Hubble Detects ‘Exocomets’ Plunging Into Young Star HD 172555

January 10, 2017

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Hubble Reveals Exocomets Plunging into a Young Star

The Hubble Space Telescope has discovered comets plunging into young star HD 172555, which resides 95 light-years from Earth. The exocomets — comets outside our solar system — were not directly seen around the star, but their presence was inferred by detecting gas that is likely the vaporized remnants of their icy nuclei. HD 172555 […]

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Cassini Views Mimas’ Mountain

January 10, 2017

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New Cassini Image of Mimas' Mountain

This newly released Cassini image shows Herschel Crater on Saturn’s Moon Mimas, revealing an indication of the size of the crater’s towering walls and central peak. Named after the icy moon’s discoverer, astronomer William Herschel, the crater stretches 86 miles (139 kilometers) wide — almost one-third of the diameter of Mimas (246 miles or 396 […]

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