National Aeronautics and Space Administration
Goddard Space Flight Center
Sun-Earth Day 2010: Magnetic Storms
IMAGE GALLERY
Model of coronal magnetic field and a CME (Courtesy Tamas Gambosi, U. Michigan).
NASA Fact
A major solar 'superstorm' such as the one in 1859 could cost $30 billion a day to the US electrical power grid, and up to $70 billion to the satellite industry.