| April 09, 2009 | ![]() |
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Titan's Topsy-Turvy Topography Moffett Field CA (SPX) Apr 08, 2009
Saturn's largest moon, Titan, may have a subterranean ocean of hydrocarbons and some topsy-turvy topography in which the summits of its mountains lie lower than its average surface elevation, according to new research. Titan is also more squashed in its overall shape-like a rubber ball pressed down by a foot-than researchers had expected, said Howard Zebker, a Stanford geophysicist and ele ... read moreSatellites Show Arctic Literally On Thin Ice
Greenbelt MD (SPX) Apr 08, 2009The latest Arctic sea ice data from NASA and the National Snow and Ice Data Center show that the decade-long trend of shrinking sea ice cover is continuing. New evidence from satellite observations also shows that the ice cap is thinning as well. Arctic sea ice works like an air conditioner for the global climate system. Ice naturally cools air and water masses, plays a key role in ocean ... more
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US warns China against 'stillborn' climate deal
Businessman to fly African flags on space trip NASA to launch solar observatory Europe battles declining influence Prius: world's most popular hybrid Russia wants to charge more for rides to space: report Russia, China agree on nuclear construction cost: report China-born aerospace engineer gets 15 years for spying Mexico climate summit set for early December in Cancun Climate change impact of soil underestimated: study
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Pratt And Whitney Rocketdyne Tests Propulsion Technology
Canoga Park CA (SPX) Apr 08, 2009Pratt and Whitney Rocketdyne completed a series of successful hot-fire tests for a propulsion system that could lead to increased mission capability and flexibility in sending humans to the moon, Mars and beyond. During the tests at NASA's Glenn Research Center in Cleveland, Ohio, a 25 pound-force thruster testbed successfully demonstrated cooling with gaseous methane and gaseous oxygen, a ... more NASA Goddard Orders Second Instrument For GPM Mission
Greenbelt MD (SPX) Apr 08, 2009NASA's Goddard Space Flight Center, Greenbelt, Md., has ordered a second instrument for the agency's Global Precipitation Measurement (GPM) mission. The GPM satellite is an Earth science mission that will study global precipitation (rain, snow, ice) with one Core spacecraft and a host of eight other vehicles in Earth orbit. The instrument, known as GPM Microwave Imager (GMI), will me ... more Earthshine Reflects Earth's Oceans And Continents From Dark Side Of Moon
Melbourne, Australia (SPX) Apr 08, 2009Researchers from the University of Melbourne and Princeton University have shown for the first time that the difference in reflection of light from the Earth's land masses and oceans can be seen on the dark side of the moon, a phenomenon known as earthshine. The paper is published in this week's edition of the international journal Astrobiology. Sally Langford from the University of ... more Dissecting A Stellar Explosion
Paris, France (ESA) Apr 08, 2009Integral has captured one of the brightest gamma-ray bursts ever seen. A meticulous analysis of the data has allowed astronomers to investigate the initial phases of this giant stellar explosion, which led to the ejection of matter at velocities close to the speed of light. In particular, the astronomers believe that the explosion lifted a piece of the central engine's magnetic field into ... more |
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AAE Systems Commemorates 25th Anniversary
Sunnyvale CA (SPX) Apr 08, 2009This year, AAE Systems has reached a major milestone as it celebrates 25 years of innovation in delivering comprehensive satellite-based communications solutions to its international, multi-industry customer base. To commemorate its silver anniversary, it will release its lightweight mobile communications trailer (LMCT) system. The trailer showcases AAE's cutting-edge Eclipse satellite net ... more Active Galaxies Flare And Fade In Fermi Telescope All-Sky Movie
Garching, Germany (SPX) Apr 08, 2009The gamma-ray sky comes alive in a movie made from data acquired by NASA's Fermi Gamma-ray Space Telescope during its first three months of operations. Gamma rays from sources near and far turn the sky into a hypnotic froth. The sun arcs serenely across the northern sky as active galaxies called blazars flare up and fade out. The movie, made from the first 87 days of data from Fermi's Larg ... more Cool Stars Have Different Mix Of Life-Forming Chemicals
Los Angeles CA (SPX) Apr 08, 2009Life on Earth is thought to have arisen from a hot soup of chemicals. Does this same soup exist on planets around other stars? A new study from NASA's Spitzer Space Telescope hints that planets around stars cooler than our sun might possess a different mix of potentially life-forming, or "prebiotic," chemicals. Astronomers used Spitzer to look for a prebiotic chemical, called hydrogen cyan ... more |
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