Northern lights make the Swiss sky sparkle again – rts.ch

Northern lights make the Swiss sky sparkle again – rts.ch
Northern lights make the Swiss sky sparkle again – rts.ch

Northern lights were visible in different places in Switzerland during the night from Friday to Saturday. The phenomenon occurred due to the strongest geomagnetic storm since 2003.

Northern lights could be observed on Friday evening in Valais, near Ravoire in the commune of Martigny, and at Chavannes-près-Renens in the canton of Vaud.

This natural phenomenon was also observed at the Winterthur Eschenberg observatory, it said on Friday evening. The Hubelmatt Observatory in Lucerne earlier announced the probable appearance of the Northern Lights in the Swiss sky between midnight and dawn.

>> Reread: Northern lights visible in the Swiss sky last night

To see them, it is recommended to go to a dark place and to a high point with a clear view to the north.

Rare solar storm

A solar storm of rare intensity which hit the Earth on Friday explains the appearance of these northern lights, which are extremely rare in our latitudes.

Auroras form when these solar flares, composed of charged particles, mainly electrons and protons, enter the Earth’s atmosphere. These collide with gases in the atmosphere, mainly oxygen and nitrogen, releasing energy and light.

Five on five

For the polar auroras to be visible as far away as Switzerland, the solar winds must be very strong. Already in recent days, such light phenomena have been observed in our latitudes.

A level 5 geomagnetic storm on a scale of 5, a level described as “extreme”, was observed on Earth Friday evening, an American agency announced, a first since 2003.

This storm is caused by the arrival on Earth of a series of coronal mass ejections from the Sun, said the American Oceanic and Atmospheric Observation Agency (NOAA).

asch with agencies

#Swiss

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