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| April 16, 2008 |  |
a timely reality check |
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Milky Way's Giant Black Hole Awoke From Slumber 300 Years Ago Greenbelt MD (SPX) Apr 16, 2008 
Using 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 ... read more |
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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 Moondust In The Wind 
Huntsville AL (SPX) Apr 14, 2008Moondust is dry, desiccated stuff, and may seem like a dull topic to write about. Indeed, you could search a ton of moondust without finding a single molecule of water, so it could make for a pretty "dry" story. But like the dust in your mother's attic, moondust covers something interesting - the moon - and even the dust itself has curious tales to tell. A group of NASA and University of ... more The Coldest Brown Dwarf Ever Observed: Closing The Gap Between Stars And Planets 
Washington DC (SPX) Apr 14, 2008An international team of astronomers has discovered the coldest brown dwarf star ever observed. This finding, to be published in Astronomy and Astrophysics, is a new step toward filling the gap between stars and planets. An international team led by French and Canadian astronomers has just discovered the coldest brown dwarf ever observed. Their results will soon be published in Astronomy a ... more |
extrasolar:
 blackhole:  lunar:  |
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 Old Galaxies Stick Together In The Young Universe 
Nottingham, UK (SPX) Apr 09, 2008Using the most sensitive images ever obtained with the United Kingdom Infra-Red Telescope (UKIRT), astronomers have found convincing evidence that galaxies which look old early in the history of the Universe reside in enormous clouds of invisible dark matter and will eventually evolve into the most massive galaxies that exist in the present day. University of Nottingham PhD student Will ... more The 2008 Great Moonbuggy Race 
Huntsville AL (SPX) Apr 08, 2008Not one of the participants in NASA's 2008 Great Moonbuggy Race was old enough to have seen the 1969 movie, Those Daring Young Men in Their Jaunty Jalopies. Nevertheless, the racers all looked like stars of that film as they careened about the simulated lunar terrain race course in a motley variety of strange vehicles. These high school and college students, representing 20 states, Puerto ... more |
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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 UMaine Engineering Team To Test Inflatable Habitats For NASA Moon Mission 
Orono ME (SPX) Apr 04, 2008NASA faces many challenges in its quest to establish a colony on the moon by 2020, and providing suitable shelter for the next generation of space explorers is at the top of the list. An inflatable lunar habitat, one of several concepts now on the drawing boards, must be lightweight and flexible enough to minimize packaging size and transportation costs. Once deployed, the expanded structure ... more Black Hole Found In Omega Centauri 
Paris, France (ESA) Apr 04, 2008Omega Centauri has been known as an unusual globular cluster for a long time. A new result obtained by the NASA/ESA Hubble Space Telescope and the Gemini Observatory reveals that the explanation behind omega Centauri's peculiarities may be a black hole hidden in its centre. One implication of the discovery is that it is very likely that omega Centauri is not a globular cluster at all, but ... more
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