Adelmus17 March 807
The first clear mention of a sunspot in Western literature is by the Benedictine monk Adelmus, who observed a large sunspot which was visible for eight days
Italy · Science / Astronomy. Chronological records rendered directly from the World History Database.
The first clear mention of a sunspot in Western literature is by the Benedictine monk Adelmus, who observed a large sunspot which was visible for eight days
Discovers that Sunspots move across the surface of the sun
Previous sunspot observations had been misinterpreted as planetary transits, until Galileo gave the correct explanation in 1612
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