| Added | Fri, 04/01/2019 |
| Источники | |
| Дата публикации | Mon, 31/12/2018
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| Версии |
The sun was without spots for nearly two weeks. However, 28 Dec erupted geomagnetic storm class G1, accompanied by bright auroras around the Arctic circle. Photographer Sacha Layos captures the vortices of green lights over Fairbanks, Alaska.
"I saw auroras hundreds of times and can feel when something special like this time," she said. Similar lights were also observed in Iceland and Canada.
The geomagnetic storm was not caused by sunspots, which were absent during the greater part of 2018, and a hole in the sun's atmosphere. The solar dynamics Observatory, NASA photographed a gas crack 24 Dec.
The solar wind emanating from the hole, struck the Earth's magnetic field on the evening of 27 December. Coronal holes are the determining factor of space weather when solar spots available. During solar minimum, coronal holes are formed that can persist for several months. As the Sun's rotation around its axis in the Ground of these flying streams of the solar wind.
Translated by «Yandex.Translator»
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