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Mystery of the Missing Sunspots

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posted on Mar, 3 2011 @ 09:32 AM
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For almost 2 years there were no Sun spots, and the astronomers didn't have a clue why. Well, NASA anounced today they think they have sloved the Mystery of the Missing Sunspots.




March 2, 2011: In 2008-2009, sunspots almost completely disappeared for two years. Solar activity dropped to hundred-year lows; Earth's upper atmosphere cooled and collapsed; the sun’s magnetic field weakened, allowing cosmic rays to penetrate the Solar System in record numbers. It was a big event, and solar physicists openly wondered, where have all the sunspots gone?





For years, solar physicists have recognized the importance of the sun's "Great Conveyor Belt." A vast system of plasma currents called ‘meridional flows’ (akin to ocean currents on Earth) travel along the sun's surface, plunge inward around the poles, and pop up again near the sun's equator. These looping currents play a key role in the 11-year solar cycle. When sunspots begin to decay, surface currents sweep up their magnetic remains and pull them down inside the star; 300,000 km below the surface, the sun’s magnetic dynamo amplifies the decaying magnetic fields. Re-animated sunspots become buoyant and bob up to the surface like a cork in water—voila! A new solar cycle is born.


First time in Over 100 Years this ever happened



For years, solar physicists have recognized the importance of the sun's "Great Conveyor Belt." A vast system of plasma currents called ‘meridional flows’ (akin to ocean currents on Earth) travel along the sun's surface, plunge inward around the poles, and pop up again near the sun's equator. These looping currents play a key role in the 11-year solar cycle. When sunspots begin to decay, surface currents sweep up their magnetic remains and pull them down inside the star; 300,000 km below the surface, the sun’s magnetic dynamo amplifies the decaying magnetic fields. Re-animated sunspots become buoyant and bob up to the surface like a cork in water—voila! A new solar cycle is born.


Link to Articile

science.nasa.gov...




posted on Mar, 3 2011 @ 09:38 AM
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This is an old video, but it explains what a mystery was: Sometimes quiet may not be a good thing.



posted on Mar, 3 2011 @ 07:32 PM
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Mini Ice-Age 2013 here we come!!! And the scientists are bringing back the Woolly Mammoth just in time
Wonderful. Where's my spear at?

Great find coolottie S&F



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