News tagged with upper atmosphere

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NASA extends TIMED mission for fourth time

Nine years after beginning its unprecedented look at the gateway between Earth's environment and space, not to mention collecting more data on the upper atmosphere than any other satellite, NASA's Thermosphere ...

Nov 05, 2010
4.7 / 5 (3) 0 | with audio podcast

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

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

The Sun's Sneaky Variability

Every 11 years, the sun undergoes a furious upheaval. Dark sunspots burst forth from beneath the sun's surface. Explosions as powerful as a billion atomic bombs spark intense flares of high-energy radiation. ...

Oct 28, 2009
4.8 / 5 (11) 5

ESA SWARMing Earth's magnetic field

ESA's three-satellite Swarm constellation was lofted into a near-polar orbit by a Russian Rockot launcher this afternoon. For four years, it will monitor Earth's magnetic field, from the depth of our planet's ...

Nov 25, 2013
3.7 / 5 (3) 1

Viewing crescent Mars

(Phys.org)—The sight of the crescent Moon hanging in the sky above Earth is a familiar one, but this image taken by ESA's Rosetta spacecraft as it passed by the Red Planet in February 2007 captures the ...

Oct 02, 2012
5 / 5 (4) 0