Просмотр архива за суббота, 20 февраля 2016

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Coronal hole faces Earth

We are still under the influence of a coronal hole solar wind stream that comes from a southern hemisphere coronal hole but the stream is waning and the strongest geomagnetic effects are now over. Sky watchers do not have to worry that they will be without aurora for very long as another coronal hole is now facing Earth.

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