ARLA/CLUSTER: O Sol não nos pára de surpreender desde a algumas semanas com fortes tempestades

[João Costa > CT1FBF]

Surprisingly strong geomagnetic storm

Knowing that a solar wind stream was heading for Earth, forecasters
predicted a geomagnetic storm last night. However, they didn't predict it
would be so strong, a G3-class event.

During the peak of this surprising space storm, Northern Lights spilled
over the Canadian border into more than half a dozen US states.

Visit Spaceweather.com
<https://spaceweather.us11.list-manage.com/track/click?u=0c5fce34d5ca05f64a13d085d&id=2eb27e7ccf&e=f98eeb7cd6>
for
pictures of the display and updates as the solar wind continues to blow.
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