Earth is predicted to enter the 'Little Ice Age' or a new ice age in the coming years due to low solar activity, as expressed to the researchers.
Prediction astronomer, 2013 Natural Ice Age Earth Return
Phenomena on the sun spot activity, which followed each annual cycle, will peak in 2013, after which it will begin slightly reduced. But astronomers think the next hike will be less intense than normal, or could fail to happen at all.
Launched by the Telegraph, for decades, Europe experienced an extraordinary winter and very often, and when it came to be called 'Little Ice Age'. Although there is no conclusive evidence of the influence each other, many scientists believe that.
Sunspots are dark little hole in the sun's surface, caused by a small area of strong magnetic activity that disrupts the normal flow of heated gas is intense.
When there are larger sunspots, the overall result of the sun, called solar radiation or total solar irradiance total (TSI) is also high.
Frank Hill, of the National Solar Observatory in New Mexico, who worked on one of the study, said, "The fact that there are three separate lines of evidence all pointing the same direction and very exciting."
But Joanna Haigh professor of atmospheric physics at Imperial College London, said: "Global warming could override a cooling effect on Earth's climate."
During that time the temperature in northwestern Europe nearly 1 degree Celsius lower than normal, and about 0.5 degrees Celsius lower than the average global temperature.
However, he cautioned, "Even if the prediction is correct, the effects of global warming will exceed the ability of the sun to cool even in the cold scenarios. And in any case, there is only a temporary cooling effect. When solar activity returns to normal, then the greenhouse gas is not going away, "he said.
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