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Distant planets turn space theory upside downLondon (AFP) April 13, 2010 A dominant theory about planets has been challenged by the discovery of nine worlds transiting distant stars, astronomers reported on Tuesday. The belief that planets always orbit their sun in the same direction, imitating the rotation of the star itself, has been turned upside down, they said. "This is a real bomb we are dropping into the field of exoplanets," said Geneva Observatory astronomer Amaury Triaud, referring to planets outside the Solar System. Triaud's team are to report their f ... read more |
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Pasadena CA (JPL) Apr 07, 2010A newly discovered asteroid, 2010 GA6, will safely fly by Earth this Thursday at 4:06 p.m. Pacific (23:06 U.T.C.). At time of closest approach 2010 GA6 will be about 359,000 kilometers (223,000 miles) away from Earth - about 9/10ths the distance from to the moon. The asteroid, approximately 22 meters (71 feet) wide, was discovered by the Catalina Sky Survey, Tucson, Az. "Fly bys of n ... more  
Moffett Field CA (SPX) Apr 06, 2010If mankind ever does receive a signal from extraterrestrials, one of our first decisions may be what to write back. As director of Interstellar Message Composition at the SETI Institute, psychologist Douglas Vakoch has thought a lot about this question. "The challenge of constructing any interstellar message is trying to anticipate what you and your recipient have in common," Vakoch said. ... more  
Washington DC (SPX) Apr 07, 2010How hard do you have to pull on a single atom of-let's say-gold to detach it from the end of a chain of like atoms?* It's a measure of the astonishing progress in nanotechnology that questions that once would have interested only physicists or chemists are now being asked by engineers. To help with the answers, a research team at the National Institute of Standards and Technology (NIST) ha ... more |
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  Cassini Doubleheader: Flying By Titan And Dione   Fermi Maps An Active Galactic Smokestack Plumes   Instant online solar energy quotes Solar Energy Solutions from ABC Solar |
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Flying By Titan And Dione Makes For Some Nice ViewsPasadena CA (JPL) Apr 05, 2010 In a special double flyby early next week, NASA's Cassini spacecraft will visit Saturn's moons Titan and Dione within a period of about a day and a half, with no maneuvers in between. A fortuitous cosmic alignment allows Cassini to attempt this doubleheader, and the interest in swinging by Dione influenced the design of its extended mission. The Titan flyby, planned for Monday, April 5, will take Cassini to within about 7,500 kilometers (4,700 miles) of the moon's surface. The distance is relative ... read more |
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