A significant active region is set to emerge over the sun's northeastern limb. The underlying sunspots are not yet visible from Earth, but the region's towering magnetic canopy is already in view. NASA's Solar Dynamics Observatory (SDO) took this picture...
February 24, 2011
Advances in modern life have exposed humans to new weaknesses to space weather, which could disrupt communications, crash stock markets and cause months-long power outages, experts warned Saturday.Worst-case scenarios including scorched commercial satellites, GPS
February 21, 2011
Space weather could pose serious problems here on Earth in the coming years, National Oceanic and Atmospheric Administration warned today. NOAA administrator Jane Lubchenco warned at the annual meeting of the American Association for the
February 20, 2011
For the past week, all eyes have been on the Earth-side of the sun, where sunspots 1158 and 1161-1162 have unleashed some of the strongest flares in years. Meanwhile, the farside of the Sun has been busy, too. Here is the movie from NASA's STEREO-B probe...
February 20, 2011
Fast-growing sunspot complex 1161-1162 erupted on Feb. 18th, producing an M6.6-class solar flare. The almost-X category blast was one of the strongest flares in years and continued the week-long trend of high solar activity. NOAA forecasters estimate a 75% chance of
February 19, 2011
IMPACT! A CME hit Earth's magnetic field at approximately 0100 UT on Feb. 18th (8:00 pm EST on Feb. 17th). The impact was not as strong as expected considering the cloud's
February 18, 2011
Britain should experience spectacular Northern Lights displays from Thursday due to a large solar storm which could disrupt communication networks, the British Geological Survey (BGS) said. “Since February 13 three energetic solar flares have erupted on the
February 18, 2011
The CME from strongest solar flare in four years disrupted radio communications in southern China, according to the China Meteorological Administration. The US space administration NASA confirmed that Monday’s solar flare was the largest in four years,
February 17, 2011
A series of coronal mass ejections (CMEs) en route to Earth from sunspot 1158 will buffet our planet's magnetic field during the next 24-48 hours. NOAA forecasters estimate a 45% chance of geomagnetic activity on Feb. 17th. Image credit: NASA / SDO /
February 16, 2011
Plasma cloud from the first X-class solar flare of Solar Cycle 24 (X2.3 on February 15, 2011) is headed our way. It is expected to arrive around February 17. 2011/02/15, at 07:07 UTC - PRESTO-alert: NOAA AR 1158 has produced an X2.3 flare peaking at 01:56 UTC,...
February 15, 2011
Earth-orbiting satellites detected an X2.3 solar flare at 01:56 UTC on February 14, 2011. This is the most powerful solar flare in nearly five years, and the first X-class solar flare of Solar Cycle 24. The source was behemoth sunspot 1158. Solar
February 15, 2011