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P (→Välislingid: +Probability of Visible Aurora in Europe) Märgis: K |
P (→Välislingid: NOAA: Auroral Activity Extrapolated from NOAA POES -- Northern Hemisphere Enlarged View) Märgis: K |
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* [http://science.nasa.gov/science-news/science-at-nasa/2008/20mar_spring/ 20. March 2008, Dr. Tony Phillips Springis Aurora Season, Science@NASA]
* [http://helios.swpc.noaa.gov/ovation/Europe.html Probability of Visible Aurora in Europe]
* [http://www.swpc.noaa.gov/pmap/pmapN.html NOAA: Auroral Activity Extrapolated from NOAA POES -- Northern Hemisphere Enlarged View]
[[Kategooria:Geofüüsika]]
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