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bn:02198799n
Noun Concept
Categories: Sun stubs, Solar cycles
EN
solar cycle 4
EN
Solar cycle 4 was the fourth solar cycle since 1755, when extensive recording of solar sunspot activity began. Wikipedia
Definitions
Relations
Sources
EN
Solar cycle 4 was the fourth solar cycle since 1755, when extensive recording of solar sunspot activity began. Wikipedia
solar activity from September 1784 to April 1798 Wikidata
IS A
solar cycle
FOLLOWED BY
Solar cycle 5
FOLLOWS
Solar cycle 3
Wikipedia
EN
solar cycle 4
Wikidata
EN
Solar cycle 4

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