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The Sun Recorded Through History is a text that reconstructs past solar activity based on information from historical documents, complementing studies using other techniques. Historical accounts describing phenomena related to solar activity, such as aurorae, sunspots, and coron…
Today, the Sun is observed using different techniques that provide an almost instantaneous 3-D mapping of its structure. Of particular interest is the study of its variability characterised by the 11-year cycle. However, solar activity also varies on longer time scales, as has b…
