Solar cycles

periodic change in the Sun's activity

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predicted Sun activity 2019 to about 2030

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solar cycle

solar activity from June 1766 to June 1775

solar activity from June 1775 to September 1784

Solar activity from 1954 to 1964

Solar activity from 1996 to 2008

Solar activity from 1964 to 1976

Solar activity from 1986 to 1996

solar activity from July 1843 to December 1855

solar activity from May 1823 to November 1833

solar activity from September 1784 to April 1798

solar activity from February 1755 to June 1766

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temporary region on the Sun

solar activity from April 1798 to August 1810

solar activity from August 1810 to May 1823

solar activity from November 1833 to July 1843

Solar activity from 1923 to 1933

10th solar cycle lasting 11.3 years

solar activity from March 1867 to December 1878

solar cycle lasted 11.5 years, beginning in January 1902 and ending in July 1913

Solar activity from 1976 to 1986

Solar activity from 1933 to 1944

Solar activity from 1944 to 1954

Solar activity from 1878 to 1890

Solar activity from 1913 to 1923

Solar activity from 1890 to 1902