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solar cycle

“Cool” Gas May Be At The Root Of Sunspots

February 1, 2012

Want to stay on top of all the space news? Follow @universetoday on Twitter Although well over 40 years old, the Dunn Solar Telescope at Sunspot, New Mexico isn’t going to be looking at an early retirement. On the contrary, it has been outfitted with the new Facility Infrared Spectropolarimeter (FIRS) and is already making [...]

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The Sun’s Conveyor Belt May Lengthen Solar Cycles

August 12, 2010

The Sun seems to finally be waking up in earnest from the long slumber of the past cycle. Solar cycles tend to last on average about 11 years, but the last cycle – solar cycle 23 – was 12.5 years long. The cause of the most recent lull in the Sun’s activity is somewhat enigmatic, [...]

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Researchers Say Sun Cycle Alters Earth’s Climate

August 27, 2009

If the energy from the sun varies by only 0.1 percent during the 11-year solar cycle, could such a small variation drive major changes in weather patterns on Earth? Yes, say researchers from the National Center for Atmospheric Research (NCAR) who used more than a century of weather observations and three powerful computer models in [...]

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