查看星期日, 16 11月 2014歷史檔案

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太陽活動

極光活動

Geomagnetic activity, sunspot region 2209

Earth is currently under the influence of a moderately powerful coronal hole high speed stream. Auroral displays are being reported from many high latitude locations including Norway, where this image was taken yesterday evening by Art by T.Richardsen. We will likely continue to see auroral displays like this at high latitudes as coronal hole effects are set to persist for at least the coming 3 days. Back on our nearest star we see that solar activity remains at moderate levels thanks to sunspot region 2209. How did it evolve over the past 24 hours and what can we expect from it? Read this article to find out.

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