Explanation: Have you ever seen a dragon in the sky? Although real flying dragons don't exist, a huge dragon-shaped aurora developed in the sky over Iceland in 2019. The aurora was caused by a hole in the Sun's corona that expelled charged particles into a solar wind that followed a changing interplanetary magnetic field to Earth's magnetosphere. As some of those particles then struck Earth's atmosphere, they excited atoms which subsequently emitted light: aurora. This iconic display was so enthralling that the photographer's mother ran out to see it and was captured in the foreground. Our active Sun continues to show an unusually high number of prominences, filaments, sunspots, and large active regions as solar maximum approaches in 2025.

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Authors & editors: Robert Nemiroff (MTU) & Jerry Bonnell (USRA)
NASA Web Site Statements, Warnings, and Disclaimers
NASA Official: Jay Norris. Specific rights apply.
A service of: LHEA at NASA / GSFC
& Michigan Tech. U.

Publikacii s klyuchevymi slovami: severnoe siyanie - aurora Publikacii so slovami: severnoe siyanie - aurora
Sm. takzhe: Yuzhnoe polyarnoe siyanie i Mezhdunarodnaya kosmicheskaya stanciya Severnyi meteor Meteory i severnoe siyanie nad Germaniei Severnoe siyanie, stabil'noe krasnoe polyarnoe siyanie i Mlechnyi Put' Severnoe siyanie nad gorami Karkonoshe Zelenoe severnoe siyanie nad Shveciei Kupol severnogo siyaniya na nebe Vse publikacii na tu zhe temu >>