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"Steve" returned to the Northern skies

Added	Thu, 26/03/2020
Источники	gismeteo.ru
Дата публикации	Thu, 26/03/2020
Версии	The Aurora (Northern lights)

Spring has come to the Northern hemisphere, and "Steve" is back in the sky. Jocelyn Blanchett captured the glowing purple strip over the city of Fermont in Quebec city on March 22. To the right of "Steve" — bright Venus and green lights.

STEVE (Strong Thermal Emission Velocity Enhancement) looks like the Aurora, but actually has no relation to them. This phenomenon is caused by hot (~ 3000 °C) the flow of gas flowing through the Earth's magnetosphere at speeds of over 20,000 km/h Is that these purple stripes appear along with the auroras when the Earth's magnetic field disturbed by the solar wind.

Research shows that "Steve" is more common in spring and autumn than in summer and winter. It is usually possible to see between 50° and 55° N. lat. Fairmont, where the picture was taken, placed in this range. Recently, however, "Steve" was noticed and further North to 63° N. lat.

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