News tagged with upper atmosphere

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Perseid fireballs

In astronomy, there's nothing quite like a bright meteor streaking across the glittering canopy of a moonless night sky. The unexpected flash of light adds a dash of magic to an ordinary walk under the stars.

dateJul 30, 2013 in Space Exploration
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Radio waves carry news of climate change

The ionosphere, one of the regions of the upper atmosphere, plays an important role in global communications. Ionized by solar radiation, this electricity-rich region is used for the transmission of long wave communications, ...

dateJul 30, 2013 in Earth Sciences
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Scientists pinpoint the 'edge of space'

Where does space begin? Scientists at the University of Calgary have created a new instrument that is able to track the transition between the relatively gentle winds of Earth's atmosphere and the more violent flows of charged ...

dateApr 09, 2009 in Earth Sciences
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Saturn's moon Enceladus spreads its influence

( -- Chalk up one more feat for Saturn's intriguing moon Enceladus. The small, dynamic moon spews out dramatic plumes of water vapor and ice -- first seen by NASA's Cassini spacecraft in 2005. It possesses simple ...

dateSep 22, 2011 in Space Exploration
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