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Lyman-alpha emissions
(Preview)
Voyagers detect birth pains of stars Far beyond the orbit of Pluto, the two ageing Voyager spacecraft have detected ultraviolet light that confirms that a type of radiation known as Lyman-alpha emissions come from parts of the Milky Way where stars are born. It isn't a surprising find, but it's impo...
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Jovian exoplanets
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Title: Old, Rich, and Eccentric: Two Jovian Planets Orbiting Evolved Metal-Rich Stars Authors: Kathryn M. G. Peek, John Asher Johnson, Debra A. Fischer, Geoffrey W. Marcy, Gregory W. Henry, Andrew W. Howard, Jason T. Wright, Thomas B. Lowe, Sabine Reffert, Christian Schwab, Peter K. G. Williams...
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10
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IPHAS DR2
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Title: The Second Data Release of the INT Photometric H-Alpha Survey of the Northern Galactic Plane (IPHAS DR2) Author: Geert Barentsen, H. J. Farnhill, J. E. Drew, E. A. González-Solares, R. Greimel, M. J. Irwin, B. Miszalski, C. Ruhland, P. Groot, A. Mampaso, S. E. Sale, A. A. Henden, A. Aungweroj...
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60 Saturn moons
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(Preview)
Astronomers have discovered 12 new moons orbiting Saturn, bringing its number of natural satellites to 46. The moons are small, irregular bodies - probably only about 3-7km in size (assuming they have a surface albedo of 4%) - that are far from Saturn and take about two years to complete one o...
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52
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Asteroseismology
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Title: The Current Status of Asteroseismology Authors: C. Aerts, J. Christensen-Dalsgaard, M. Cunha, D.W.Kurtz Stellar evolution, a fundamental bedrock of modern astrophysics, is driven by the physical processes in stellar interiors. While we understand these processes in general terms, w...
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6
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Astronomy
(Preview)
Title: Why is Astronomy Important? Author: Marissa Rosenberg, Pedro Russo (EU-UNAWE, Leiden Observatory/Leiden University, The Netherlands), Georgia Bladon, Lars Lindberg Christensen (ESO, Germany) Astronomy and related fields are at the forefront of science and technology; answering f...
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Triton
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Constraints on the Orbital Evolution of Triton Authors: Matija Cuk, Brett J. Gladman
We present simulations of Triton's post-capture orbit that confirm the importance of Kozai-type oscillations in its orbital elements. In the context of the tidal orbital evolution model, these variation...
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Warkworth Satellite Station
(Preview)
At 4.15pm today, AUTs $1 million radio telescope will go live the first stage in a trans-Tasman bid to win right to build a $NZ4 billion megascience project called the Square Kilometre Array (SKA). The dish, built by Michigans Patriot Systems and assembled at the Warkworth Satellite Station north o...
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KM3NeT Observatory
(Preview)
Title: KM3NeT: A Next Generation Neutrino Telescope in the Mediterranean Sea Authors: A. Kappes (University Erlangen-Nuremberg), for the KM3NeT Consortium To complement the IceCube neutrino telescope currently under construction at the South Pole, the three Mediterranean neutrino telesc...
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7
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Thomas Harriot moon maps
(Preview)
A 400-year-old set of "moon maps" created by a little-known Englishman are to go on display to mark the launch of the International Year of Astronomy. Experts say they prove their creator - Thomas Harriot - beat Galileo to become the first man to view the moon through a telescope. The Itali...
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Jupiter black spot
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(Preview)
Impact mark on Jupiter, 19th July 2009 Preliminary image showing a black mark in Jupiters South Polar Region (SPR) which is almost certainly the result of a large impact - either an asteroid or comet - similar to the Shoemaker-Ley impacts in 1994. [url=http://jupiter.samba.org/jupiter-impact....
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Z CamPaign
(Preview)
Z Campaign Name RA Dec Con Type Period Range RX And 01 04 35.50 +41 17 58.0 And UGZ (14) 10.3 - 14 V TZ Per 02 13 50.90 +58 22 53.0 Per UGZ (17) 12 - 15.6 V Z Cam 08 25 13.20 +73 06 39.0 Cam UGZ (22) 10 - 14.5 V AT Cnc 08 28 36.90 +25 20 03.0 Cnc UGZ (14) 12.3 - 14.6 p SY Cnc 09 01 03.32 +17 53 56.0 Cnc UGZ -- 10.6 - 14.0 p AH Her 16 4...
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Perseus A
(Preview)
Explosive venting from a supermassive black hole are sprouting plumes of material 300,000 light-years across.
Observations by the Chandra X-ray Observatory revealed the energetic plumes of particles associated with a massive galaxy cluster called [url=http://www.activeboard.com/...
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The Bug Nebula
(Preview)
High resolution spectroscopy of the Bug Nebula (NGC 6302) by the Gemini South observatory has revealed hyperfine structure in the 3.66 micron line of ionized aluminium.
A joint Chile-United Kingdom team led by Simon Casassus (University of Chile) used the NOAO-built Phoenix n...
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Ancient Impact
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(Preview)
Earth's surface transformed by massive asteroids
A cluster of at least three asteroids between 20 and 50 kilometres across colliding with Earth over 3.2 billion years ago caused a mas...
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