- Bastille Day event
The Bastille Day Flare or Bastille Day Event was a powerful
solar flare onJuly 14 ,2000 occurring near the peak of thesolar maximum . [cite news |title=NASA Says Solar Flare Caused Radio Blackouts |author=Associated Press |publisher=The New York Times |date=2000-07-14 |accessdate=2007-03-09 |url=http://docs.newsbank.com/openurl?ctx_ver=z39.88-2004&rft_id=info:sid/iw.newsbank.com:AWNB:NYTB&rft_val_format=info:ofi/fmt:kev:mtx:ctx&rft_dat=10192EC724742FDF&svc_dat=InfoWeb:aggregated4&req_dat=0D0CB57AB53DF815] Active region 9077 produced an X5-class flare, which caused an S3radiation storm on Earth fifteen minutes later as energeticproton s bombarded theionosphere . It was the biggest solar radiation event since 1989.cite news |title=Solar flare biggest since '89 |first=Frank D. |last=Roylance |publisher=Contra Costa Times |date=2000-07-15 |accessdate=2007-03-09 |url=http://docs.newsbank.com/openurl?ctx_ver=z39.88-2004&rft_id=info:sid/iw.newsbank.com:AWNB:CCYB&rft_val_format=info:ofi/fmt:kev:mtx:ctx&rft_dat=1064A3E55B815DA8&svc_dat=InfoWeb:aggregated4&req_dat=0D0CB57AB53DF815] The proton event was four times more intense than any previously recorded.Fact|date=March 2007 The flare was followed by a full-halocoronal mass ejection .cite news | first= | last= | coauthors= | title=Space Radiation Storm | date=2004-07-14 | publisher=NASA | url =http://science.nasa.gov/headlines/y2000/ast14jul_2m.htm | work = | pages = | accessdate = 2007-03-09 | language = ]References
External links
* [http://www.spacetoday.org/SolSys/Sun/BastilleDaySatViews.html Views of the 'Bastille Day' Sun] , July 2000. (pictures)
* [http://svs.gsfc.nasa.gov/vis/a000000/a001100/a001168/index.html 'Bastille Day' Flare Animations]
Wikimedia Foundation. 2010.