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804 matches found for "satellite systems"

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Polar aircraft Polar 5 starts Antarctic season

Polar 5 will be used in three research programmes in the season 2009/10 and it will logistically support the established Antarctic flight network DROMLAN (Dronning Maud Land Air Network) as well as va...

Earth Sciences | nachricht Read more
Swift XMM-Newton Satellites Tune Into a Middleweight Black Hole

"Intermediate-mass black holes contain between 100 and 10,000 times the sun's mass," explained Tod Strohmayer, an astrophysicist at Goddard. "We observe the heavyweight black holes...

Physics and Astronomy | nachricht Read more
Antarctica glacier retreat creates new carbon dioxide store

Large blooms of tiny marine plants called phytoplankton are flourishing in areas of open water left exposed by the recent and rapid melting of ice shelves and glaciers around the Antarctic Peninsula. ...

Earth Sciences | nachricht Read more
New Study in Geology Uses Satellite Imagery to Identify Active Magma Systems in East Africa’s Rift Valley

“The Kenyan Rift volcanoes are part of a larger Great Rift Valley complex that extends all the way from Mozambique to Djibouti; their presence in East Africa attests to the presence of magma reservoir...

Earth Sciences | nachricht Read more
Tags reveal white sharks have neighborhoods in the north Pacific

"White sharks are a large, highly mobile species," said Salvador Jorgensen, a postdoctoral scholar at Stanford's Hopkins Marine Station. "They can go just about anywhere they want ...

Life Sciences | nachricht Read more
Researchers Contribute to Discovery of Gamma Rays from Starburst Galaxy

The discovery has just been published by the journal Nature. The study reports that researchers using the VERITAS array of four telescopes at the Fred Lawrence Whipple Observatory in Arizona have dete...

Physics and Astronomy | nachricht Read more
New Celestial Map Gives Directions for GPS

The system works well, and millions rely on it every day, but what tells the GPS satellites where they are in the first place? "For GPS to work, the orbital position, or ephemeris, of the...

Information Technology | nachricht Read more
Microwave satellite imagery shows an eye developing in Mirinae

Tropical Storm Mirinae had maximum sustained winds near 52 mph on Tuesday, October 27 at 1200 UTC (8 a.m. EDT). It was located about 205 nautical miles northwest of Guam, so all of the watches and war...

Earth Sciences | nachricht Read more
Better Electric Propulsion May Boost Satellite Lifetimes

Focusing on improved cathodes for devices known as Hall effect thrusters, the research would reduce propellant consumption in commercial, government and military satellites, allowing them to remain in...

Power and Electrical Engineering | nachricht Read more
The Best GNSS Application Innovations of 2009

The grand prize winner of the 2009 European Satellite Navigation Competition, Osmógrafo®, combines satellite positioning with wind measurement and rescue dogs’ sense of smell in order to better determ...

Awards Funding | nachricht Read more
vapour cell

Reactive gas-filled vapour cells can be used in frequency standard devices, especially as a cavity in <b>atomic clocks</b>, where the time is delivered during the hyperstructure transition...

Technology Offerings | nachricht Read more
New concept may enhance Earth-Mars communication

The European researchers studied a possible solution to a crucial problem affecting future human missions to Mars: how to ensure reliable radio communication even when Mars and Earth line up at opposi...

Physics and Astronomy | nachricht Read more
MU Researchers Create Smaller and More Efficient Nuclear Battery

Batteries can power anything from small sensors to large systems. While scientists are finding ways to make them smaller but even more powerful, problems can arise when these batteries are much larger...

Power and Electrical Engineering | nachricht Read more
Rensselaer Researchers to Develop and Test Next-Generation Radar Systems

The new test bed, led by Birsen Yazici, associate professor of electrical, computer, and systems engineering, will allow simulations of radar systems that are comprised of hundreds of miniature sensor...

Power and Electrical Engineering | nachricht Read more
Silicon-Germanium Electronics May Cut Spacecraft Weight

Researchers at the Georgia Institute of Technology are developing ways to harden the microchips themselves against damage from various types of cosmic radiation. With funding from NASA and other spons...

Power and Electrical Engineering | nachricht Read more
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