Nova
Wed, 04/25/2012 - 9:00pm

With the help of new spacecraft and Earth-based telescopes, scientists are seeing the sun as they never have before. Their work will help us understand aspects of the sun that have puzzled scientists for decades. But more critically, it may help us predict and track solar storms that have the power to zap our power grid, shut down telecommunications and ground global air travel for days, weeks, even longer. Such storms have occurred before — but never in the modern era of satellite communication.

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