Will an Ice Age Happen Again?
Between 1645 and 1714, Europe experienced a Little Ice Age. Astronomers who worry about The Day After Tomorrow happening again are studying the sun. While a new ice age could be caused by dropping ocean currents, triggered by an ice melt caused by global warming, the sun may be involved as well.
There was almost no sunspot activity during that period, meaning the sun was cooler and didn’t heat up the Earth as much as usual. Astronomers are looking at other stars, to see if they go through the same kind of sunspot cycles. Sun activity usually goes through an 11 year cycle, although it’s been unusually active during the past few years.
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