List of solar cycles
id:
list-of-solar-cycles-189-6031082
title:
List of solar cycles
text:
Solar cycles are nearly periodic 11-year changes in the Sun's activity that are based on the number of sunspots present on the Sun's surface. The first solar cycle conventionally is said to have started in 1755. The source data are the revised International Sunspot Numbers, as available at SILSO.
Sunspot counts exist since 1610 but the cycle numbering is not well defined during the Maunder minimum. It was proposed that one cycle might have been lost in the late 18th century, but this remains not
brand slug:
wiki
category slug:
encyclopedia
description:
original url:
https://en.wikipedia.org/wiki/List_of_solar_cycles
date created:
2006-12-27T23:22:17Z
date modified:
2024-09-09T09:10:17Z
main entity:
{"identifier":"Q2658335","url":"https://www.wikidata.org/entity/Q2658335"}
image:
fields total:
13
integrity:
14