Thursday, September 22, 2011

Earth is threatened by a new ice age?

Scientists predict the next 10 years solar activity will decrease. Thus, whether there again "during the Little Ice Age" has ever happened in the seventeenth century.
According to the predictions of astrophysics, the frequency of sunspots on the Sun in the coming years will be less. Chu create public sunspots affect the Earth's temperature was 11 years. However, scientists at the National Observatory, said that the next cycle will be delayed, might not even happen. They said the most optimistic projections, the new cycle started in 2020-2021. 
The change of solar activity, as they can lead to a "time kytieu ice" is like the period extended to 70 years from 1645 to 1715 cuacac century. During that period, the river Thames flowing through London, Ice thickness close to 3 meters and can coach from the bridge chaythang Whitehall to bridge London.

Some researchers suggest that due to reduced solar activity, the average temperature of Earth will drop 0.5 degrees C, but the majority still think the canhgiac is too early. During the little ice age ago, only Northwest chauAu down 4 degrees, while other areas are also only half the reduction.

Another problem occurs at the same time and still be more concerned lasu global warming is happening. Therefore, the phenomenon of cold polar travel nghiatich mean that Earth's temperature has not changed too dramatically.

Meteorologist Frank Hill said: "If the place bienxay out so, we can anticipate in the coming years, the temperature to a level not Traidat reduced, while emissions of greenhouse gases tinhcua we increased from 1.5 to 4.5 degrees by 2100. May argue, "a ngaytho" that reduces the activity of the sun save us part. "

But experts still reminded, do not forget that the sun tuongMat reduction activities is only a temporary, not just to dienmai.
(VinaThuaAn - VNTA)

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