Sun spot activity is set to increase from what is now a low point. This article from Science News indicates that one model predicts this flurry of activity to be in 2008, a year later than originally thought. Other models predict the activity to begin sooner than that.
Even at its quietest, the sun about once a week belches out a billion-ton cloud of charged particles and magnetic fields. When those eruptions are directed toward Earth, they can irradiate astronauts, disable satellites, and knock out power grids on the planet.No matter when it comes, you can expect troubles with communications, and other earthly activities.
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