Editing Space weather (section)

==Notable events==
{{Main|List of solar storms}}

* On December 21, 1806, [[Alexander von Humboldt]] observed that his compass had become erratic during a bright auroral event.<ref>{{cite web| last =Russell| first =Randy| title =Geomagnetic Storms| work =Windows to the Universe| publisher =National Earth Science Teachers Association| date =March 29, 2010| url =http://www.windows2universe.org/glossary/geomagnetic_storms.html| access-date = 23 February 2013}}</ref>
* The [[Solar storm of 1859]] (Carrington Event) caused widespread disruption of telegraph service.
* The [[Aurora of November 17, 1882]] disrupted telegraph service.
* The [[May 1921 geomagnetic storm]],<ref>{{cite journal | doi = 10.1016/S1364-6826(00)00174-7 | volume=63 | title=Low-latitude auroras: the magnetic storm of 14–15 May 1921 | year=2001 | journal=Journal of Atmospheric and Solar-Terrestrial Physics | pages=523–535 | last1 = Silverman | first1 = S.M| issue=5 | bibcode=2001JASTP..63..523S | url=http://digitalcommons.unl.edu/cgi/viewcontent.cgi?article=1003&context=usafresearch }}</ref> one of the largest geomagnetic storms disrupted telegraph service and damaged electrical equipment worldwide.
* The [[Solar storm of August 1972]], a large SEP event occurred. If astronauts had been in space at the time, the dose could have been life-threatening.<ref>{{Cite web|title = Solar Sentinels - NASA Science|url = https://science.nasa.gov/headlines/y2006/01sep_sentinels.htm|website = science.nasa.gov|access-date = 2015-07-24|url-status = dead|archive-url = https://web.archive.org/web/20090930104605/http://science.nasa.gov/headlines/y2006/01sep_sentinels.htm|archive-date = 2009-09-30}}</ref> 
* The [[March 1989 geomagnetic storm]] included multiple space weather effects: SEP, CME, Forbush decrease, ground level enhancement, geomagnetic storm, etc..
* The 2000 [[Bastille Day event]] coincided with exceptionally bright aurora.
* April 21, 2002, the [[Nozomi (probe)|Nozomi]] Mars Probe was hit by a large SEP event that caused large-scale failure. The mission, which was already about 3 years behind schedule, was abandoned in December 2003.<ref>{{Cite web|title = Solar Flare Shuts Down Nozomi Mars Probe's Communication System {{!}} SpaceRef - Your Space Reference|url = http://www.spaceref.com/news/viewnews.html?id=454|website = www.spaceref.com| date=24 May 2002 |access-date = 2015-07-24}}</ref>
* The [[2003 Halloween solar storms]], a series of coronal mass ejections and solar flares in late October and early November 2003 with associated impacts.