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| April 17, 2008 |  |
a timely reality check |
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Astronomers Listen To An Exoplanet-Host Star And Find Its Birthplace Paris, France (SPX) Apr 16, 2008 
By studying in great detail the 'ringing' of a planet-harbouring star, a team of astronomers using ESO's 3.6-m telescope have shown that it must have drifted away from the metal-rich Hyades cluster. This discovery has implications for theories of star and planet formation, and for the dynamics of our Milky Way. The yellow-orange star Iota Horologii, located 56 light-years away towards the ... read more |
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Confusion Over Asteroid Calculation Sorted As NASA Issues Clarification
Pasadena CA (JPL) Apr 16, 2008A 13-year-old German schoolboy corrected NASA's estimates on the chances of an asteroid colliding with Earth, a German newspaper reported Tuesday, after spotting the boffins had miscalculated. Nico Marquardt used telescopic findings from the Institute of Astrophysics in Potsdam (AIP) to calculate that there was a 1 in 450 chance that the Apophis asteroid will collide with Earth, the Potsdame ... more Milky Way's Giant Black Hole Awoke From Slumber 300 Years Ago 
Greenbelt MD (SPX) Apr 16, 2008Using NASA, Japanese, and European X-ray satellites, a team of Japanese astronomers has discovered that our galaxy's central black hole let loose a powerful flare three centuries ago. The finding helps resolve a long-standing mystery: why is the Milky Way's black hole so quiescent? The black hole, known as Sagittarius A* (pronounced "A-star"), is a certified monster, containing about 4 million t ... more Intelligence: A Rare Cosmic Commodity 
Moffett Field CA (SPX) Apr 15, 2008Advanced ground and space-based telescopes are discovering new planets around other stars almost daily, but an environmental scientist from England believes that even if some of those planets turn out to be Earth-like, the odds are very low they'll have intelligent inhabitants. In a recent paper published in the journal Astrobiology, Professor Andrew Watson of the University of East Anglia descr ... more NASA Extends Cassini's Grand Tour Of Saturn 
Pasadena CA (SPX) Apr 16, 2008NASA is extending the international Cassini-Huygens mission by two years. The historic spacecraft's stunning discoveries and images have revolutionized our knowledge of Saturn and its moons. Cassini's mission originally had been scheduled to end in July 2008. The newly-announced two-year extension will include 60 additional orbits of Saturn and more flybys of its exotic moons. These will i ... more Spitzer Sees Shining Stellar Sphere 
Los Angeles CA (SPX) Apr 15, 2008Millions of clustered stars glisten like an iridescent opal in a new image from NASA's Spitzer Space Telescope. Called Omega Centauri, this sparkling orb of stars is like a miniature galaxy. It is the biggest and brightest of the more than 150 similar objects, called globular clusters, that orbit around the outside of our Milky Way galaxy. Stargazers at southern latitudes can spot the stellar ge ... more |
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Rochester NY (SPX) Apr 10, 2008The same team of astrophysicists that cracked the computer code simulating two black holes crashing and merging together has now, for the first time, caused a three-black-hole collision. Manuela Campanelli, Carlos Lousto and Yosef Zlochower-scientists in Rochester Institute of Technology's Center for Computational Relativity and Gravitation-simulated triplet black holes to test their break ... more NASA Sets Sights On Lunar Dust Exploration Mission 
Washington DC (SPX) Apr 10, 2008NASA is preparing to send a small spacecraft to the moon in 2011 to assess the lunar atmosphere and the nature of dust lofted above the surface. Called the Lunar Atmosphere and Dust Environment Explorer (LADEE), the mission will launch before the agency's moon exploration activities accelerate during the next decade. LADEE will gather detailed information about conditions near the surface ... more Witnessing The Formation Of Distant Galaxies 
London, UK (SPX) Apr 09, 2008UK astronomers have produced the most sensitive infrared map of the distant Universe ever undertaken. Combining data over a period of three years, they have produced an image containing over 100,000 galaxies over an area four times the size of the full Moon. Some of the first results from this project will be presented by Dr Sebastien Foucaud from the University of Nottingham ... more Quasars Quash Star Formation In Active Galactic Nuclei 
London, UK (SPX) Apr 09, 2008An ambitious study of active and inactive galaxies has given new insights into the complex interaction between super-massive black holes at the heart of Active Galactic Nuclei (AGN) and star formation in the surrounding galaxy. Results will be presented in a talk by Paul Westoby at the RAS National Astronomy Meeting in Belfast. Along with colleagues, Carole Mundell and Ivan Baldry from ... more |
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Cambridge MA (SPX) Apr 08, 2008The leading method of finding planets orbiting distant stars spots mostly Jupiter-sized worlds. Technology limitations make it difficult to detect smaller planets. But that is about to change. A revolutionary laser technology being developed by scientists and engineers at the Harvard-Smithsonian Center for Astrophysics (CfA), with colleagues at MIT, will enable scientists to spot Earth-sized ... more NASA Selects Three Research Fellows For GLAST Mission 
College Park MD (SPX) Apr 08, 2008After a nationwide search for junior science researchers on NASA's Gamma-ray Large Area Telescope (GLAST) mission, three people have been chosen for these prestigious post-doctoral positions. The purpose of the fellowship program is to support outstanding postdoctoral scientists who endeavor to advance understanding of the gamma-ray universe. The goal of the program is to stimulate an ... more Cosmic Engines Surprise XMM-Newton 
Paris, France (SPX) Apr 08, 2008XMM-Newton has been surprised by a rare type of galaxy, from which it has detected a higher number of X-rays than thought possible. The observation gives new insight into the powerful processes shaping galaxies during their formation and evolution. Scientists working with XMM-Newton were looking into the furthest reaches of the universe, at celestial objects called quasars. These are vast ... more Delving Into The Fine Structure Constant 
Manchester, UK (SPX) Apr 07, 2008Researchers at The University of Manchester have used graphene to measure an important and mysterious fundamental constant - and glimpse the foundations of the universe. The researchers from The School of Physics and Astronomy, led by Professor Andre Geim, have found that the world's thinnest material absorbs a well-defined fraction of visible light, which allows the direct determination of the ... more
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