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How has sunspot activity changed over the past hundred years?

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How has sunspot activity changed over the past hundred years? Like this: Except for that spike in the 1950s, it's business as usual. read more

An image of a sunspot the size of the Earth, taken with the Swedish Solar Telescope. Credit: Dr. Vasily Zakharov/Max Planck Institute for Solar System Research The energy output from the Sun has increased significantly during the 20th century, according to a new study. read more

Sunspots have been more common in the past seven decades than at any time in the last 8,000 years, according to a new historic reconstruction of solar activity. Many researchers have tried to link sunspot activity to climate change, but the new results cannot be used to explain global warming, according to the scientists who did the study. read more

Like this: Except for that spike in the 1950s, it’s business as usual. This page may be out of date. read more

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