查看星期四, 18 2月 2021歷史檔案

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太陽活動

極光活動

Coronal hole faces Earth

It's that time of the solar cycle again where coronal holes become more apparent at lower latitudes! Less than a week ago we already had a similar coronal hole facing our planet. The solar wind stream from that coronal hole caused active geomagnetic conditions on Tuesday. Right now we have yet another northward extension of the southern hemisphere polar coronal hole facing our planet today.

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