Space Weather
Solar activity, auroras & magnetic storms, and the solar wind
Apr 13, 2011
"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 12th is subsiding."
Mar 30, 2011
"A minor CME hit Earth's magnetic field yesterday, March 29th, at approximately 1500 UT. The impact sparked a display of green and purple auroras around the Arctic Circle."
Mar 28, 2011
"Did you know sunspots can make noise? Consider the following: "Over the past few days, I have been recording a sustained solar radio storm at 180 MHz," reports amateur radio astronomer Thomas Ashcraft of New Mexico."
Mar 25, 2011
"The famous 11-year solar cycle often has two peaks rather than one and now one astronomer says she knows why"
Mar 24, 2011
"The sun unleashed a plasma tentacle in a March 19 eruption and solar prominence."
Mar 23, 2011
"Earth is entering a stream of solar wind blowing ~500 km/s, and the encounter is stirring up geomagnetic activity around the Arctic Circle."
Mar 22, 2011
"A big
Mar 22, 2011
Mar 20, 2011
"A huge filament of magnetism and hot plasma blasted off the sun's southwestern limb on March 19th around 1200 UT."
