Aurora and Volcanic Light Pillar : Thats no sunset. And that thin red line just above it thats not a sun pillar. The red glow on the horizon originates from a volcanic eruption, and the red line is the eruptions reflection from fluttering atmospheric ice crystals. This unusual volcanic light pillar was captured over Iceland earlier this month. The featured scene looks north from Jkulsrln toward the erupting volcano Brarbunga in the Holuhraun lava field. Even the foreground sky is ...