News tagged with geomagnetic storms

Wave power can drive Sun's intense heat

A new study sheds light on why the Sun's outer atmosphere, or corona, is more than 20 times hotter than its surface. The research, led by the National Center for Atmospheric Research (NCAR), may bring scientists a step closer ...

Jul 27, 2011
5 / 5 (9) 1 | with audio podcast

Exoplanet aurora: An out-of-this-world sight

Earth's aurorae, or Northern and Southern Lights, provide a dazzling light show to people living in the polar regions. Shimmering curtains of green and red undulate across the sky like a living thing. New ...

Jul 21, 2011
4.4 / 5 (5) 3 | with audio podcast

Geomagnetic storm subsiding

A geomagnetic storm that sparked auroras around the Arctic Circle and sent Northern Lights spilling over the Canadian border into the United States on April 12, 2011 is subsiding. NOAA forecasters estimate ...

Apr 14, 2011
4.3 / 5 (4) 0

Forecasters keep eye on looming 'Solar Max'

The coming year will be an important one for space weather as the Sun pulls out of a trough of low activity and heads into a long-awaited and possibly destructive period of turbulence.

Dec 29, 2010
4 / 5 (37) 57

Sneak Attacks from the Sun

(PhysOrg.com) -- Our Sun can be a menace when it sends out powerful solar blasts of radiation towards the Earth. Astronomers keenly watch the Sun to learn more about what powers these solar eruptions, in hopes ...

Dec 08, 2010
4.2 / 5 (9) 4 | with audio podcast