bn:02198794n
Noun Concept
Categories: 1755 in science, 1756 in science, Solar cycles
EN
Solar cycle 1
EN
Solar cycle 1 was the first solar cycle since extensive recording of solar sunspot activity began. Wikipedia
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EN
Solar cycle 1 was the first solar cycle since extensive recording of solar sunspot activity began. Wikipedia
solar activity from February 1755 to June 1766 Wikidata
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