Solar cycle 18
id:
solar-cycle-18-322-18180928
title:
Solar cycle 18
text:
Solar cycle 18 was the eighteenth solar cycle since 1755, when extensive recording of solar sunspot activity began. The solar cycle lasted 10.2 years, beginning in February 1944 and ending in April 1954. The maximum smoothed sunspot number observed during the solar cycle was 218.7, and the starting minimum was 12.9. During the minimum transit from solar cycle 18 to 19, there were a total of 446 days with no sunspots. Cycle 18 was characterized by "giant" sunspots. The recording of the 10.7 cm (2
brand slug:
wiki
category slug:
encyclopedia
description:
Solar activity from February 1944 to April 1954
original url:
https://en.wikipedia.org/wiki/Solar_cycle_18
date created:
date modified:
2022-08-16T18:22:51Z
main entity:
{"identifier":"Q7556131","url":"https://www.wikidata.org/entity/Q7556131"}
image:
fields total:
13
integrity:
14