vendredi 25 juillet 2008
THEMIS Satellites Discover What Triggers Eruptions of the Northern Lights
Courtesy of NASA
This artist's concept shows the explosion of energy responsible for sudden increases in the brightness and movement of the Northern Lights. Credit: NASA/Goddard Space Flight Center Conceptual Image Lab
> Download animations What causes the shimmering, ethereal Northern Lights to suddenly brighten and dance in a spectacular burst of colorful light and rapid movement? To find out, NASA launched a fleet of five satellites called THEMIS, the Time History of Events and Macroscale Interactions during Substorms.
Researchers have discovered that an explosion of magnetic energy a third of the way to the moon powers substorms, sudden brightenings and rapid movements of the aurora borealis, called the Northern Lights.
Russian Navy aircraft test new weapons in Arctic
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MOSCOW, July 24 (RIA Novosti) - Russia's Northern Fleet Tu-142 Bear and Il-38 May anti-submarine aircraft have tested new electronic equipment and precision-guided weapons over the Barents and Norwegian Sea, a Navy spokesman said on Thursday.
You can read the rest of this article at: RIA Novosti
What's up about US missiles in Europe?
Russia's defence ministry on Thursday denied a report it was considering basing bomber aircraft in Cuba in retaliation for US missile defence plans in Eastern Europe, a news agency reported. (Air & Cosmos)
Another piece of news: Russian bombers could be deployed in Algeria according to the Russian paper RIA Novosti
Russia would supply S-300 to Iran (advanced anti-aircraft defense systems) by the end of 2008 or early 2009, according to Focus and Russian The Kommersant Daily, with reference to a source with Israel’s Ministry of Defense.