What's Up? The Solar Cycle and the Danger of Solar Flares
9 Mar 2009, 00:11 UTC
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As the end of winter approaches (hopefully!), the warmth of the sun will be well appreciated. To most people the sun looks like a simple, unchanging orb of light. But in reality, the sun is a wild, dangerous, and somewhat unpredictable broiling ball of hot gases. It is the gases blasted off the sun that cause the aurora borealis (northern lights).The sun's surface is constantly bubbling and is
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