Seeing stars, finding nukes: Radio telescopes can spot clandestine nuclear tests
In the search for rogue nukes, researchers have discovered an unlikely tool: astronomical radio telescopes.
Earth Sciences
Dec 5, 2012
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News tagged with navigation satellite system
Soyuz rocket launches two Galileo satellites
A Soyuz rocket launched two Galileo satellites into orbit on Friday, marking a crucial step for Europe's planned navigation system, operator Arianespace announced.
Space Exploration
Oct 13, 2012
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Improving positioning indoors with imaging data
Whether you're walking, biking or driving, navigation systems can help you get from A to B - as long as you have a GPS signal. To find our way around large and complex buildings like hospitals or airports, we often need to ...
Hi Tech & Innovation
Sep 17, 2012
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China's satellite navigation system live
China's home-grown satellite navigation system launched a limited positioning service Tuesday, the official Xinhua news agency said, as the country seeks to break its dependence on foreign technology.
Space Exploration
Dec 27, 2011
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New generation GPS satellite starts tests in Colo.
A $5.5 billion upgrade to the Global Positioning System moved a step closer to launch this week when a prototype arrived at a Lockheed Martin complex in Colorado to begin months of tests.
Telecom
Dec 13, 2011
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EU launches its first satellite navigation system
A Russian rocket launched the first two satellites of the European Union's Galileo navigation system Friday after years of waiting for the start of the program billed as the main rival to the ubiquitous American GPS network.
Space Exploration
Oct 21, 2011
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Launch of EU's Galileo system set for Friday
The launch of the first two satellites for the European Union's Galileo navigation system was postponed until Friday - adding at least one more day to years of waiting for a program promoted as the main rival to GPS to get ...
Space Exploration
Oct 20, 2011
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Something new on the Sun: Spacecraft observes new characteristics of solar flares
(PhysOrg.com) -- NASA's Solar Dynamics Observatory, or SDO, has provided scientists new information about solar flares indicating an increase in strength and longevity that is more than previously thought.
Space Exploration
Sep 7, 2011
41
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Europe defends 'stupid' Galileo satellite
Europe stood by its much-delayed and over-budget Galileo satellite navigation system on Tuesday despite a rising price tag and a contractor's description of the project as "stupid."
Space Exploration
Jan 18, 2011
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Russian satellites crash into Pacific: space official
Three Russian navigation satellites crashed into the Pacific off the US state of Hawaii Sunday after the rocket carrying them failed to reach orbit, officials from the Russian space agency said.
Space Exploration
Dec 5, 2010
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