The sun
A Solar Flare is a rapid release of energy from a localized region on the Sun in the form of electromagnetic radiation, energetic particles, and mass motions. The size of a solar flare varies. One flare can be the size of a sunspot or the size of a whole sunspot group. It usually has a temperature similar to that of the sun's photosphere. The amount of time it takes for a flare to last varies …
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…with slow speed wind, and composition variations. The solar wind speed is high (800 km/s) over coronal holes and low (300 km/s) over streamers. These wind speed variations affects the Earth's magnetic field and can produce storms in the Earth's magnetosphere.
Work Sited Page http://science.nasa.gov/ssl/pad/solar/flares.html http://solar-center.stanford.edu/FAQ/Qspotnumsize.html http://www-istp.gsfc.nasa.gov/Education/wsolwind.html http://home.earthlink.net/~fradella/green.htm
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