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National Aeronautics and Space Administration

Goddard Space Flight Center

Sun-Earth Day 2010: Magnetic Storms.

Sun-Earth Day 2010: Magnetic Storms

IMAGE GALLERY

Model of coronal magnetic field and a CME (Courtesy Tamas Gambosi, U. Michigan).

Model of coronal magnetic field and a CME (Courtesy Tamas Gambosi, U. Michigan).

NASA Fact

Some sunspots are cool enough that water vapor can form at a temperature of 1,550 °C.