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Solar Dynamics Observatory: The 'Variable Sun' Mission Huntsville AL (SPX) Feb 08, 2010 
For some years now, an unorthodox idea has been gaining favor among astronomers. It contradicts old teachings and unsettles thoughtful observers, especially climatologists.
"The sun," explains Lika Guhathakurta of NASA headquarters in Washington DC, "is a variable star."
But it looks so constant...
That's only a limitation of the human eye. Modern telescopes and spacecraft have pene ... read moreBoulder Instrument Package To Study Space Weather Set For Launch 
Boulder CO (SPX) Feb 05, 2010A $32 million University of Colorado at Boulder instrument package set for launch Feb. 9 by NASA should help scientists better understand the violent effects of the sun on near-Earth space weather that can affect satellites, power grids, ground communications systems and even astronauts and aircraft crews. The CU-Boulder Extreme Ultraviolet Variability Experiment, or EVE, will fly on NASA' ... more
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US warns China against 'stillborn' climate deal
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 US government plans new climate service 
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Are The Largest Stars Born Like Our Sun
Hilo HI (SPX) Jan 28, 2010Explaining how the most massive stars are born, deep within their stellar nurseries, is one of the most persistent mysteries in modern astronomy. Now, observations at the Gemini Observatory provide convincing new evidence that these stellar heavyweights may be born in much the same manner as lightweights like our Sun. "The problem is that when the most massive stars form it happens very qu ... more Technology-Testing Proba-2 Opens New Eye On The Sun 
Paris, France (ESA) Jan 27, 2010Packed with novel devices and science instruments, Proba-2 is demonstrating technologies for future ESA missions while providing new views of our Sun. At a press conference on Tuesday at the Royal Observatory of Belgium in Brussels, the team behind the small satellite declared themselves extremely happy with its first three months in orbit and unveiled Proba-2's first solar observations. ... more Multiple Rifts In Earth's Magnetic Shield 
Paris, France (ESA) Jan 22, 2010The Earth's magnetic field protects our planet from most of the permanent flow of particles from the solar wind. Fissures in this magnetic shield are known to occur, enabling the solar wind to penetrate our near-space environment. A study based on data collected by the four ESA Cluster satellites and the CNSA/ESA Double Star TC-1 spacecraft, provides new insight into the location and duration of ... more Studying The Secrets Of The Sun 
Las Cruces NM (SPX) Jan 18, 2010All life on planet Earth owes its existence to the sun. The sun's rays are where we derive our vitamin D and where most plants get their energy to go through photosynthesis. It was worshipped as a deity by ancient cultures and its power is now harnessed as a source of renewable energy. The sun is a star at the center of our solar system. Its mass makes up more than 99 percent of the mass of our solar system and is 109 times the size of the planet we call home. ... more |
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Research On Global Sun Block Needed Now
Calgary, Canada (SPX) Feb 02, 2010Internationally coordinated research and field-testing on 'geoengineering' the planet's atmosphere to limit risk of climate change should begin soon along with building international governance of the technology, say scientists from the University of Calgary and the United States. Collaborative and government-supported studies on solar-radiation management, a form of geo-engineering, would ... more Naval Research Lab Studies Solar Storms 
Washington DC (AFNS) Dec 30, 2009Imagine a threat to the global community with the potential to damage communication satellites, interrupt navigation systems, shut down regional power grids, impede oil and gas exploration, expose aircraft crews to high levels of radiation, and endanger the lives of astronauts. That threat exists, but it's not from any well-organized terrorist group. It's from t ... more Solar Ultraviolet Imager For GOES-R Satellite Passes CDR 
Palo Alto CA (SPX) Dec 21, 2009The Lockheed Martin team, awarded a contract by NASA in 2007 to design and build the agency's Solar Ultraviolet Imager (SUVI) for the Geostationary Operational Environmental Satellite (GOES)-R Series, has met the requirements of a Critical Design Review. The review was conducted last week at the Lockheed Martin Space Systems Advanced Technology Center (ATC) in Palo Alto by a group of ... more Colliding Auroras Produce Explosions Of Light 
Huntsville AL (SPX) Dec 18, 2009A network of cameras deployed around the Arctic in support of NASA's THEMIS mission has made a startling discovery about the Northern Lights. Sometimes, vast curtains of aurora borealis collide, producing spectacular outbursts of light. Movies of the phenomenon were unveiled at the Fall meeting of the American Geophysical Union in San Francisco. "Our jaws dropped when we saw the movies for ... more |
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