Evidence of sunspot involvement in climate change compelling

Engineering News
November 2, 2008

Over the last few years, the evidence that sunspots on our sun are directly related to climate change on earth has been steadily increasing.

• A d v e r t i s e m e n t

I explained the exact proposed mechanism in some detail previously. Great work in this field is being carried out by Dr Henrik Svensmark and coworkers in Denmark and elsewhere.

Briefly, the mechanism is that cosmic rays impact on the earth from deep space. These cosmic rays penetrate our atmosphere and lead to the formation of cloud cover. The cosmic rays nucleate sites in the atmosphere, from which clouds form from the natural water vapour.

If one puts a spoonful of coffee powder into a cup of microwaved water, the water forms bubbles of foam on the coffee grains. This is basically the same principle as the cosmic rays forming clouds in the atmosphere.

The earth’s magnetic field, which acts as a shielding, is altered by the sun’s activity, which, in turn, is indicated by means of the number of sunspots. As the earth’s magnetic shield varies, so the cloud cover varies. Few sunspots mean a weaker earth shield, which means more cosmic rays, which mean more clouds, which mean a cooling earth.

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This article was posted: Sunday, November 2, 2008 at 10:14 am

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