Explanation: That's no sunset. And that thin red line just above it -- that's not a sun pillar. The red glow on the horizon originates from a volcanic eruption, and the red line is the eruption's reflection from fluttering atmospheric ice crystals. This unusual volcanic light pillar was captured over Iceland earlier this month. The featured scene looks north from JZhkulsArlSn toward the erupting volcano BArParbunga in the Holuhraun lava field. Even the foreground sky is picturesque, with textured grey clouds in the lower atmosphere, shimmering green aurora in the upper atmosphere, and bright stars far in the distance. Although the last eruption from Holuhraun was in 1797, the present volcanic activity continues.

APOD Wall Calendar: Land and Skyscapes

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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: volcano - aurora - vulkan - izverzhenie - polyarnoe siyanie Publikacii so slovami: volcano - aurora - vulkan - izverzhenie - polyarnoe siyanie
Sm. takzhe: Raznocvetnoe polyarnoe siyanie nad Novoi Zelandiei Severnoe siyanie nad Ital'yanskimi Al'pami Severnoe siyanie v Zapadnoi Virginii Yuzhnoe polyarnoe siyanie i Mezhdunarodnaya kosmicheskaya stanciya Pozdnyaya noch' v Vallentune Vulkan Vil'yarrika na fone neba Mlechnyi Put' nad goroi Etna Vse publikacii na tu zhe temu >>