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Habitable zone
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Icy moons of Saturn and Jupiter may have conditions needed for life Scientists once thought that life could originate only within a solar system's "habitable zone," where a planet would be neither too hot nor too cold for liquid water to exist on its surface. But according to planetary sc...
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Carbon dioxide
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New isotope molecule may add to Venus greenhouse effect Planetary scientists on both sides of the Atlantic have tracked down a rare molecule in the atmospheres of both Mars and Venus. The molecule, an exotic form of carbon dioxide, could affect the way the greenhouse mechanism works on Venus. The di...
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Wendelstein Calar Alto Pixellensing Project
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Title: Microlensing events from the 11-year observations of the Wendelstein Calar Alto Pixellensing Project Author: C.-H. Lee (1,2), A. Riffeser (1,2), S. Seitz (1,2), R. Bender (1,2), J. Koppenhoefer (2,1) ((1) University Observatory Munich, (2) Max Planck Institute for Extraterrestrial P...
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Square Kilometre Array
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South Africa is bidding to host the world's biggest radio-telescope, which will allow astronomers to see back in time to soon after the 'Big Bang' explosion that created the universe. This is the Square Kilometre Array - a R8.5 billion project that could be sited in the Great Karoo near Carna...
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85
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Exoplanet System Science initiative
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New NASA coalition to lead search for life on distant worlds A new NASA initiative is embracing a team approach to the quest for life on planets around other stars. The new Nexus for Exoplanet System Science initiative (NExSS) is a virtual institute that will benefit from the expertise of several doz...
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Yellowstone caldera
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The Yellowstone caldera has been classified a high threat for volcanic eruption, according to a report from the U.S. Geological Survey.
Yellowstone ranks 21st most dangerous of the 169 volcano centres in the...
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45
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WMAP Cold Spot
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The universe has a huge hole in it that dwarfs anything else of its kind. The discovery caught astronomers by surprise. The hole is nearly a billion light-years across. It is not a black hole, which is a small sphere of densely packed matter. Rather, this one is mostly devoid of stars, gas and other norm...
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Supernova 2009ib
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A magnitude 14.7, type IIP supernova, 2009ib, was discovered on the 6th August, 2009, by Pignata et al. at the CHilean Automatic Supernova sEarch (CHASE) in the spiral galaxy NGC 1559 in the constellation Reticulum. The supernova is located 28.5" east and 22.3" north from the center of...
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Space Weather Forecasting
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NASA Announces Breakthrough in Space Weather Forecasting
Researchers from NASA, the National Oceanic and Atmospheric Administration (NOAA), and the Lockheed Martin Advanced Technology Centres Solar and Astrophysics Laboratory (LMSAL) will present new findings on space weath...
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55
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Asteroid photometry
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Title: Asteroid Photometry Author: Jian-Yang Li, Paul Helfenstein, Bonnie J. Buratti, Driss Takir, Beth Ellen Clark Asteroid photometry has three major applications: providing clues about asteroid surface physical properties and compositions, facilitating photometric corrections, and...
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Polaris system
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Astronomers using the Hubble Space Telescope have photographed the close companion to Polaris, known also as the North Star, for the first time.
"Hubble's exceptional pointing capabilities combined with the wonderful performance of its instruments allow scientists to see the...
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13
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VVV DR1
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Title: VVV DR1: The First Data Release of the Milky Way Bulge and Southern Plane from the Near-Infrared ESO Public Survey VISTA Variables in the Via Lactea Authors: R. K. Saito, M. Hempel, D. Minniti, P. W. Lucas, M. Rejkuba, I. Toledo, O. A. Gonzalez, J. Alonso-Garcia, M. J. Irwin, E. Gonzalez-Solar...
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Parkes multibeam survey
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Title: Timing of pulsars found in a deep Parkes multibeam survey Authors: D.R. Lorimer, F. Camilo, M.A. McLaughlin We have carried out a sensitive radio pulsar survey along the northern Galactic plane (50° < l < 60° and |b| \lapp 2°) using the Parkes 20-cm multibeam system. We observed each po...
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Astronomical nomenclature
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Labelling celestial objects has a complicated past. John Cleese is coming to Australia today. In fact, he's coming to the whole world. However, on the night of the full moon, November 2, he'll be closer to hell. Fortunately, asteroid 9618 Johncleese, discovered in 1993, doesn't ever cross Earth's...
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11
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Superluminous supernova
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A rare, superluminous kind of stellar explosion does not fit into the usual supernova categories Four new Palomar Transient Factory (PTF) supernovae, along with two events identified in the past several years that defied classification, all share the same unexplained traits: They are extraord...
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