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A new ovoid structure discovered in the Nakhla Martian meteorite is made of nanocrystalline iron-rich clay, contains a variety of minerals, and shows evidence of undergoing a past shock event from impact. Results of a broad range of analytical studies to determine the origin of this new structure and how these findings impact the field of astrobiology now have been published.
Aug 19th, 2014
Read moreThe largest catalog ever produced for stellar compositions is critical to understanding the properties of stars, how they form, and possible connections with orbiting planets. And it shows that the compositions of nearby stars aren't as uniform as once thought.
Aug 19th, 2014
Read moreAstronomers have uncovered rhythmic pulsations from a rare type of black hole 12 million light-years away by sifting through archival data from NASA's Rossi X-ray Timing Explorer satellite.
Aug 19th, 2014
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Astronomers have accurately measured - and thus confirmed the existence of - a rare intermediate-mass black hole about 400 times the mass of our sun in a galaxy 12 million light years from the Milky Way. The finding uses a technique never applied in this way before, and opens the door to new studies of these mysterious objects.
Aug 17th, 2014
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The interstellar dust particles from the Stardust mission show great variations in their elemental composition and structure.
Aug 14th, 2014
Read moreAn international team of sky scholars has produced new maps of the material located between the stars in the Milky Way. The results should move astronomers closer to cracking a stardust puzzle that has vexed them for nearly a century.
Aug 14th, 2014
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A research team studied near-Earth asteroid 1950 DA and discovered that the body, which rotates so quickly it defies gravity, is held together by cohesive forces called van der Waals, never detected before on an asteroid.
Aug 13th, 2014
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NASA's Nuclear Spectroscopic Telescope Array (NuSTAR) has captured an extreme and rare event in the regions immediately surrounding a supermassive black hole. A compact source of X-rays that sits near the black hole, called the corona, has moved closer to the black hole over a period of just days.
Aug 12th, 2014
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Scientists hunting for life beyond Earth have discovered more than 1,800 planets outside our solar system, or exoplanets, in recent years, but so far, no one has been able to confirm an exomoon. Now, physicists believe following a trail of radio wave emissions may lead them to that discovery.
Aug 12th, 2014
Read moreFar-off, ancient quasars appear to us in their 'baby photos' taken less than a billion years after the Big Bang: monstrous infants in a young universe.
Aug 11th, 2014
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An international team of scientists using the Atacama Large Millimeter/submillimeter Array (ALMA) has made incredible 3D images of the ghostly atmospheres surrounding comets ISON and Lemmon. These new observations provided important insights into how and where comets forge new chemicals, including intriguing organic compounds.
Aug 11th, 2014
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A new model shows how early black holes could have grown to over a billion solar masses.
Aug 11th, 2014
Read morePlanetary scientists have shed some light on the bombardment history of our solar system by studying a unique volcanic meteorite recovered in Western Australia. Captured on camera seven years ago falling on the WA side of the Nullarbor Plain, the Bunburra Rockhole Meterorite has unique characteristics that suggest it came from a large asteroid that has never before been identified.
Aug 8th, 2014
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A research team of astronomers and astrophysicists have found that some of the Universe's loneliest supernovae are likely created by the collisions of white dwarf stars into neutron stars.
Aug 8th, 2014
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The Rosetta spacecraft has travelled over 6.4 billion kilometres, swung by planets, examined two asteroids during flybys, and spent more than two and a half years in hibernation during its 10-year journey. On 6 August 2014 at 11:30 CEST, with the Philae lander on board, it arrived at its target comet and entered into orbit.
Aug 8th, 2014
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Researchers have found that there is an extremely soft layer deep inside the Moon and that heat is effectively generated in the layer by the gravity of the Earth.
Aug 8th, 2014
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