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Sun's Next Stormy Cycle Starts By Robert Roy Britt Senior Science Writer posted: 18 August 2006 01:34 pm ET |
Astronomers say the Sun has begun its next cycle of activity, part of an 11-year ebb and flow in sunspots and solar flares.
Solar activity is near the low point in the cycle now. Few sunspots appear and solar flares are rare. But on July 31, a tiny sunspot appeared and then vanished after a few hours. It was a normal event, except that it was magnetically backward.
"We've been waiting for this," said David Hathaway, a solar physicist at the Marshall Space Flight in Huntsville, Alabama. "A backward sunspot is a sign that the next solar cycle is beginning."
Cuando una tormenta solar alcanza la Tierra los satélites y muchos sistemas eléctricos están en riesgo de ser afectados. No me sorprendería que nosotros no lo fueramos, así que será tiempo de ser más prudentes de lo que cotidianamente somos...
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