Waspie_Dwarf Posted February 16, 2016 #1 Share Posted February 16, 2016 How Astronomers Count Sunspots A multi-year investigation revealed errors in our understanding of the Sun.In 1847, at a small observatory in Bern, Switzerland, a man named Rudolf Wolf started counting sunspots. He worked diligently, peering through a telescope every day, if he could, and recording the number of spots he observed. Curious about how the number of sunspots varied over time, he later compiled all the sunspot data he could find, going back to the year 1700. It turned out to be one of the most important records of all time. Read more... Link to comment Share on other sites More sharing options...
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