查看星期五, 12 2月 2021歷史檔案

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太陽活動

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Coronal hole faces Earth

Are we all ready for Valentine's Day? Got flowers, chocolate or perhaps that new car she's been talking about all year? No? No idea yet what to do with your loved one? How about watching aurora dancing above your heads? Pretty romantic right! That might be possible in a few days if you are a high latitude sky watcher because we have a coronal hole facing our planet today! We are talking about a northern extension of the southern hemisphere coronal hole and the high speed solar wind stream flowing from this coronal hole could arrive at our planet this Sunday, 14 February. Active geomagnetic conditions (Kp4) will be possible when the stream arrives.

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