Archiv von Mittwoch, 26 November 2014 anzeigen

Wählen Sie den gewünschten Archiv-Artikel

Berichte

Sonnenaktivität

Polarlichtaktivität

Low solar activity, coronal hole stream

Solar activity has been low (C-class solar flares only) for 10 days in a row now despite the presence of sunspot region 2209. This sunspot region had a Beta-Gamma-Delta magnetic layout as it transited the disk but only managed to produce three M-class solar flares all while it was close to the limb on the 15th and 16th of November. Sunspot region 2209 is now leaving the Earth-facing disk which leaves the question: are there any other sunspot groups that could ramp up the solar activity?

Read more