Solar cycle 9
id:
solar-cycle-9-203-1412044
title:
Solar cycle 9
text:
Solar cycle 9 was the ninth solar cycle since 1755, when extensive recording of solar sunspot activity began. The solar cycle lasted 12.4 years, beginning in July 1843 and ending in December 1855. The maximum smoothed sunspot number observed during the solar cycle was 219.9, and the starting minimum was 17.6. During the solar cycle minimum transit from solar cycle 9 to solar cycle 10, there were a total of 655 days with no sunspots. Solar cycle 9 began in 1843, the year that Heinrich Schwabe dis
brand slug:
wiki
category slug:
encyclopedia
description:
Solar activity from July 1843 to December 1855
original url:
https://en.wikipedia.org/wiki/Solar_cycle_9
date created:
date modified:
2023-07-01T23:26:38Z
main entity:
{"identifier":"Q7556154","url":"https://www.wikidata.org/entity/Q7556154"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/8/83/Fizeau_Foucault-First_Photo_of_Sun_1845.jpg","width":600,"height":450}
fields total:
13
integrity:
15