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Sep 12, 2009
When the sun goes quiet Earth shivers
By Stephen Cauchi, Sydney Morning Herald
THE sun has gone quiet, with a sharp decline in sunspot numbers in the past couple of years - possibly heralding the start of a solar depression that could lead to cooler weather on Earth. During the past millennium, whenever the sun experienced long periods of low sunspot numbers, Earth had equally long, cold snaps. The number of sunspots - dark and intensely magnetic blotches on the sun’s surface - are at their lowest since 1913...
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