April 10, 2009

CAN YOU CAP AND TRADE SUN SPOTS?:

Harvard astrophysicist: Sunspot activity correlates to global climate change (Rick C. Hodgin, April 10, 2009, TG Daily)

Harvard astrophysicist Dr. Willie Soon tells us that Earth has seen a reduced level of sunspot activity for the past 18 months, and is currently at the lowest levels seen in almost a century. Dr. Soon says "The sun is just slightly dimmer and has been for about the last 18 months. And that is because there are very few sunspots." He says when the sun has less sunspots, it gives off less energy, and the Earth tends to cool. He notes 2008 was a cold year for this very reason, and that 2009 may be cold for the same.


As of today, there have been 15 days in a row without any sunspots. In 2008 there were 266 days scattered throughout the year without sunspots, and in 2007 there were 163 days without sunspots. These are the #2 and #9 fewest sunspots years seen since 1911.

Dr. Soon's field of specialty is the sun. He explains that sunspots are planet-sized pockets of magnetism with much greater energy output and matter expulsion, some of which strikes the Earth's atmosphere as extra energy from the sun. He says when sunspots are present, the temperature goes up, when they are not present the temperature goes down. He also told a reporter at WBZ, CBS TV 38 (in Boston, MA) that beginning in 1645 and continuing through 1715, there were no observed sunspots. This is the period known as the Little Ice Age.

He also explains that sunspots go in cycles, which are around 11 years. There are periods of maximum activity (called the Solar Max) and periods of minimal or no activity (called the Solar Min).

Around the year 2000, the current cycle had reached its maximum. As of right now in 2009, it is at a period of zero sunspot activity.

Posted by Orrin Judd at April 10, 2009 4:51 PM
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