(Phys.org)—The sun's atmosphere dances. Giant columns of solar material – made of gas so hot that many of the electrons have been scorched off the atoms, turning it into a form of magnetized matter we call plasma – ...
Space Exploration
Sep 20, 2012
4
0
On July 23, 2012, a massive cloud of solar material erupted off the sun's right side, zooming out into space, passing one of NASA's Solar TErrestrial RElations Observatory (STEREO) spacecraft along the way. Using the STEREO ...
Space Exploration
Aug 13, 2012
3
0
A stream of highly charged particles from the sun is headed straight toward Earth, threatening to plunge cities around the world into darkness and bring the global economy screeching to a halt.
Space Exploration
May 8, 2012
7
0
A potent follow-up solar flare, which occurred Friday (Jan. 17, 2012), just days after the Sun launched the biggest coronal mass ejection (CME) seen in nearly a decade, delivered a powerful radiation punch to Earth's magnetic ...
Space Exploration
Feb 1, 2012
0
0
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 research shows that ...
Astronomy
Jul 21, 2011
3
0
The Sun unleashed an M-2 (medium-sized) solar flare, an S1-class (minor) radiation storm and a spectacular coronal mass ejection (CME) on June 7, 2011 from sunspot complex 1226-1227. The large cloud of particles mushroomed ...
Space Exploration
Jun 7, 2011
1
0
An unusual solar flare observed by a NASA space observatory (video) on Tuesday could cause some disruptions to satellite communications and power on Earth over the next day or so, officials said.
Space Exploration
Jun 7, 2011
2
0
A powerful solar eruption that triggered a huge geomagnetic storm has disturbed radio communications and could disrupt electrical power grids, radio and satellite communication in the next days, NASA said.
Space Exploration
Feb 17, 2011
12
0
(PhysOrg.com) -- Physicists, led by a researcher at the University of Warwick, studying new images of clouds of material exploding from the Sun have spotted instabilities forming in that exploding cloud that are similar to ...
Space Exploration
Feb 4, 2011
3
0
(PhysOrg.com) -- The corona of the sun is the hot (over a million kelvin), gaseous outer region of its atmosphere. The corona is threaded by intense magnetic fields that extend upwards from the surface in loops that are twisted ...
Space Exploration
Oct 29, 2010
2
0
