ARLA/CLUSTER: Estudos mostram que Março é o mês mais geomagneticamente activo do ano. O motivo é... a Primavera.

[João Costa > CT1FBF]

Springtime cracks are opening in Earth's magnetic field

Studies show that March is the most geomagnetically active month of the
year. The reason is springtime.

Researchers have long known that around the time of the vernal equinox
"cracks" tend to form in Earth's magnetic field. Solar wind pours in to
energize magnetic unrest. Such a crack opened this weekend, sparking
spectacular Northern Lights.

Read today's edition of Spaceweather.com
<https://spaceweather.us11.list-manage.com/track/click?u=0c5fce34d5ca05f64a13d085d&id=1272c501cd&e=f98eeb7cd6>
to
learn more about the phenomenon
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