News tagged with upper atmosphere

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Obama looking at cooling air to fight warming

(AP) -- Tinkering with Earth's climate to chill runaway global warming - a radical idea once dismissed out of hand - is being discussed by the White House as a potential emergency option, the president's ...

Apr 08, 2009 4.5 / 5 (102) 33

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 ...

Jul 30, 2013 4 / 5 (8) 1

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.

Jul 30, 2013 5 / 5 (2) 0