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Hubble Uncovers New Clues about a Hefty, Rapidly Aging Star

May 22, 2015

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Hubble Observations of NaSt1

Using the Hubble Space Telescope, a team of astronomers has uncovered surprising new clues about a hefty, rapidly aging star whose behavior has never been seen before in our Milky Way galaxy. Nicknamed it “Nasty 1,” a play on its catalog name of NaSt1, the star may represent a brief transitory stage in the evolution […]

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Kepler and Swift Capture Early Moments of Baby Supernovae

May 21, 2015

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NASA Views Early Moments of Baby Supernovae

NASA’s Kepler and Swift spacecraft provides new insight into what triggers a Type Ia supernova, allowing astronomers to better calibrate Type Ia supernovae as standard candles – which may eventually lead to a better understand the mysteries of dark energy. Astronomers are going gaga over newborn supernova measurements taken by NASA’s Kepler and Swift spacecraft, […]

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Researchers Control Light Emission by Pairing Exotic 2D Materials

May 20, 2015

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Researchers Control Light Emission by Pairing 2D Materials

By applying a DC voltage to layers of graphene and boron nitride, researchers have demonstrated the ability to control light emission from a nearby atom. Researchers have found a way to couple the properties of different two-dimensional materials to provide an exceptional degree of control over light waves. They say this has the potential to […]

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MESSENGER Collects Important Data on Mercury during Its Orbital Decay

May 19, 2015

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MESSENGER Collects Data on Mercury During Its Orbital Decay

NASA’s MESSENGER spacecraft collected low-altitude magnetic field measurements during its orbital decay, revealing that magnetism generated by the Mercury’s core dates to the very early history of the planet. Providence, Rhode Island (Brown University) — Though the MESSENGER mission to Mercury ended late last month with a planned collision into the planet’s surface, analysis of […]

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Evidence of a New Type of Star Cluster

May 18, 2015

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Evidence for a Dark Side to NGC5128

Using data from ESO’s Very Large Telescope, astronomers have discovered a new class of “dark” globular star clusters around Centaurus A. These star clusters contain much more mass and may either harbor unexpected amounts of dark matter, or contain massive black holes. Globular star clusters are huge balls of thousands of stars that orbit most […]

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Strangulation is the Primary Mechanism for Star Formation Shut Down

May 14, 2015

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Strangulation Primary Mechanism for Galaxy Star Formation Shut Down

Using data from the Sloan Digital Sky Survey, astronomers from the University of Cambridge detail why certain galaxies can longer produce stars. As murder mysteries go, it’s a big one: how do galaxies die and what kills them? A new study, published today in the journal Nature, has found that the primary cause of galactic […]

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New Shortcut Simplifies the Production of Solar Cells

May 14, 2015

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Researchers Develop a New Shortcut to Solar Cells

By using the top electrode as the catalyst that turns plain silicon into valuable black silicon, scientists from Rice University have developed a way to simplify the production of solar cells. The Rice lab of chemist Andrew Barron disclosed the research in the American Chemical Society journal ACS Applied Materials and Interfaces. Black silicon is […]

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Kepler Finds Evidence of Daily Weather Cycles on Exoplanets

May 13, 2015

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Kepler Finds Evidence of Weather Cycles on Exoplanets

Using Kepler data, researchers from the University of Toronto reveal evidence of daily weather cycles on six extra-solar planets. Toronto, Ontario – “Cloudy for the morning, turning to clear with scorching heat in the afternoon.” While this might describe a typical late-summer day in many places on Earth, it may also apply to planets outside […]

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LBT Reveals Lava Lake on Jupiter’s Moon Io

May 12, 2015

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LBT Reveals Lava Lake on Io

The Large Binocular Telescope provides the first detailed observations of a lava lake on Jupiter’s moon Io. With the first detailed observations of a lava lake on a moon of Jupiter, the Large Binocular Telescope Observatory in Arizona places itself as the forerunner of the next generation of Extremely Large Telescopes. The applied high-resolution imaging […]

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The Changing Frequency of Galaxy Collisions

May 11, 2015

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New Theoretical Framework for Calculating the Frequency of Galaxy Mergers

New research from the Illustris project examines the changing frequency of galaxy collisions, as the universe evolves from the big bang to the present day. Our knowledge of the big bang has increased dramatically in the past decade, as satellites and ground-based studies of the cosmic microwave background have refined parameters associated with the very […]

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Activity on Enceladus Could Be ‘Curtain Eruptions’

May 7, 2015

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Optical Illusion Responsible for Individual Jets on Saturn's Moon

A newly published study reveals that most of the eruptions from Saturn’s moon Enceladus might be diffuse curtains rather than discrete jets. Many features that appear to be individual jets of material erupting along the length of prominent fractures in Enceladus’ south polar region might be phantoms created by an optical illusion, according to a […]

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Scientists Find Evidence of Briny Water at Gale Crater

May 5, 2015

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Transient Liquid Water at Gale Crater

Data from NASA’s Curiosity rover reveals transient liquid water and water activity at Gale Crater on Mars. Fayatteville, Arkansas – Data collected on Mars by NASA’s Curiosity rover and analyzed by University of Arkansas researchers indicate that water, in the form of brine, may exist under certain conditions on the planet’s surface. The finding, published […]

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Astrophysicists Show Water Could Have Been Abundant in the early Universe

May 4, 2015

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Water Could Have Been Abundant in the Early Universe

New theoretical work from the Harvard-Smithsonian Center for Astrophysics reveals that water vapor could have been abundant in the early universe. Cambridge, Massachusetts – How soon after the Big Bang could water have existed? Not right away, because water molecules contain oxygen and oxygen had to be formed in the first stars. Then that oxygen […]

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Chandra Reveals Black Holes Gorging at Excessive Rates

May 1, 2015

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Data Show Black Holes Gorging at Excessive Rates

New research from NASA’s Chandra X-ray Observatory reveals the existence of a population of black holes that is consuming extremely large amounts of material, possibly allowing the black holes in these quasars to grow at an extraordinarily rapid rate. Astronomers have studied 51 quasars with NASA’s Chandra X-ray Observatory and found they may represent an […]

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NuSTAR Spots Mysterious Glow of High-Energy X-Rays at Our Galaxy Center

April 30, 2015

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NuSTAR Sees Mysterious Glow of High-Energy X-Rays

NASA’s NuSTAR has spotted a mysterious glow of high-energy X-rays at the center of our Galaxy. Astronomers aren’t sure what the sources of the extra X-rays are, but one possibility is a population of dead stars. Peering into the heart of the Milky Way galaxy, NASA’s Nuclear Spectroscopic Telescope Array (NuSTAR) has spotted a mysterious […]

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Robotic Telescope Reveals Three Super-Earths Orbiting HD 7924

April 29, 2015

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Astronomers Discover Three Super-Earths Orbiting HD 7924

Using a telescope that robotically searches for planets on clear nights, astronomers have discovered three super-Earth mass planets orbiting HD 7924. A team of astronomers using ground-based telescopes in Hawaiʻi, California and Arizona recently discovered a planetary system orbiting a nearby star that is only 54 light-years away. All three planets orbit their star at […]

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Astronomers Reveal “Missing-Link” in the Supernova-GRB Connection

April 28, 2015

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Missing-Link in the Supernova-GRB Connection

A newly published study details the “missing link” between supernova explosions that generate gamma-ray bursts (GRBs) and those that don’t. Cambridge, Massachusetts – Astronomers using the National Science Foundation’s Very Large Array (VLA) have found a long-sought “missing link” between supernova explosions that generate gamma-ray bursts (GRBs) and those that don’t. The scientists found that […]

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