Tarkastellaan perjantaina, 26. helmikuuta 2016 arkistoa

Valitse haluamasi arkistokohde

Equatorial coronal hole faces Earth

The northern hemisphere polar coronal hole which we hoped would spark some aurora this week never really managed to influence Earth enough for some good auroral displays. The coronal hole was too far north on the solar disk and the most intense part of the solar wind stream went north of our planet. This means that the auroral activity was mostly quiet during the past few days. This could however change in the near future as an equatorial portion of this northern hemisphere polar coronal hole now faces Earth.

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