| Added | Tue, 02/10/2018 |
| Источники | |
| Дата публикации | Tue, 02/10/2018
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| Версии |
On Friday, September 28, at night in Alaska was no geomagnetic storm, but the sky still lit up by the light of the Aurora.
"We have seen amazing auroras for three hours without stopping. It was a night that will be remembered for a lifetime," says photographer and tour guide Marketa Murray captured a fabulous picture near Fairbanks.
Green glow in the picture it looks like a huge Swan or a Firebird, wings spread over the surface of the lake.
"At that time there was no geomagnetic storm, solar wind speed was rather low as 380 km/s, and K is an index indicating the deviation of Earth's magnetic field from the norm for a three-hour interval was only 2," notes Murray.The fact that the Earth's magnetic field has opened a "crack equinox".
This time of year, even a weak solar wind streams can cause bright auroras around the Arctic circle a geomagnetic storm is not required.
Translated by «Yandex.Translator»
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