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Study: The sun has more impact on the climate in cool periods

From Aarhus University: The activity of the Sun is an important factor in the complex interaction that controls our climate. New research now shows that the impact of the Sun is not constant over time, but has greater significance when the Earth is cooler. There has been much discussion as to whether variations in the…

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Early Sunspots and Volcanoes

Guest Post by Willis Eschenbach Well, as often happens I started out in one direction and then I got sidetractored … I wanted to respond to Michele Casati’s claim in the comments of my last post. His claim was that if we include the Maunder Minimum in the 1600’s, it’s clear that volcanoes with a…

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Splicing Clouds

Guest Post by Willis Eschenbach So once again, I have donned my Don Quijote armor and continued my quest for a ~11-year sunspot-related solar signal in some surface weather dataset. My plan for the quest has been simple. It is based on the fact that all of the phenomena commonly credited with affecting the temperature,…

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Partial solar eclipse shows off massive sunspot

From the National Science Foundation: Press Release 14-141 Spotlighting the sun October 24, 2014 Astronomers with the National Science Foundation (NSF)-funded National Optical Astronomy Observatory (NOAO) captured pictures not only of Thursday’s partial solar eclipse, but also of the “monster” sized active region or sun spot that has many comparing it to one of a…