The sun's complex surface activity goes through an 11-year cycle that produces greater and lesser numbers of the huge magnetic storms called sunspots.
22.
Using Stewart s times, the magnetic storm associated with the Carrington Super Flare took 17 hours and 45 minutes to reach the Earth.
23.
Some evidence suggests that pigeons can be disrupted on their course by extreme magnetic storms, disturbances in the atmosphere caused by solar flares.
24.
His father took him to find assistance at Marbule, but Serge's boat blew off course due to a raging magnetic storm caused by Schala.
25.
The station has dropped about seven kilometers ( 4 . 3 miles ) over the past week due to strong magnetic storms, Lyndin said.
26.
In 1989, a huge solar-induced magnetic storm played havoc with the Earth's ionosphere and shut down the power grid serving Canada's province of Quebec.
27.
Magnetic storms rage across its surface, sunspots erupt like acne and clouds of electrically charged particles fly outward at 2 million miles per hour.
28.
The resulting solar magnetic storm is the most powerful seen since the last solar maximum in 1989, according to the National Oceanic and Atmospheric Administration.
29.
Experts also have had to rethink some of the fundamental tenets about the nature of the magnetic storms and radiation currents that gird the planet.
30.
The quality of its light, and its occurrence while a great magnetic storm and a bright aurora were in progress, seem to establish its auroral origin.