News Stories relating to "sunspot"
Thursday, February 21, 2013
NASA has warned that a huge solar flare now developing could cause
a dangerous solar storm that could disrupt electrical grids on Earth.
At present NASA is estimating a 15% chance...
Thursday, September 8, 2011
New research suggests solar storms could become more disruptive within decades, affecting things from cell phones to airplanes and spacecraft. In BBC News, Judith Burns quotes space physicist Mike Lockwood was saying, "All the evidence suggests that the Sun will shortly exit from a grand solar maximum that has persisted since before the start...
Thursday, August 4, 2011
A near X-class solar flare that erupted on the sun on August 3rd has sent a powerful coronal mass ejection toward earth which has overtaken two previous CMEs and combined with them. Analysts at the GSFC Space Weather Lab believe that the combined triple-CME will reach earth around 6 AM US Pacific Time on August 5th, give or take a 7 hour window....
Monday, January 21, 2002
Solar activity reaches its height every 11 years, when solar flare erupt solar flares erupt near sunspots daily. Coronal mass ejections, composed of billion-ton clouds of magnetized gas, fly away from the Sun and hit the surrounding planets. The Sun?s magnetic field, which is as large as the solar system itself, becomes unstable and reverses....
Thursday, March 29, 2001
Sunspot AR9393 is now the largest in ten years and is growing fast. The sunspot is presently thirteen times the size of earth. An eruption near the sunspot sent a coronal mass ejection toward earth earlier today. Forecasters estimate a 15 to 25% chance of a severe geomagnetic storm when the material reaches earth, probably on Friday.