The sun also sends us a stream of ionized particles. These particles are carried away from the sun on the solar wind. The solar wind moves at 180,000 miles per hour. As these charged particles approach the earth, they act like water coming out of a fire hydrant. They blast the earth with charged particles. Were it not for our electromagnetic field, this blast of charged particles would strip our atmosphere away from earth. Scientists believe that that once happened to the planet Mars.
Dr. Allen Larson
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