Aurora auroras is that an as-yet-undetected body around the dwarf star is throwing off material, as is the case with Jupiter and its moon Io. [[Category:Space plasmas]] [[Category:Arctic geography terminology]] [[Category:Atmospheric optical phenomena]] [[Category:Earth phenomena]] [[Category:Electrical phenomena]] [[Category:Light sources]] [[Category:Plasma physics]] [[Category:Planetary science]] [[Category:Sources of electromagnetic interference]] [[Category:Articles containing video clips]] Aurora An aurora (plural: auroras or aurorae), sometimes referred to as polar lights, northern lights (aurora borealis) or southern lights (aurora australis), is a natural light display in the Earth's sky, predominantly seen in the high-latitude regions (around the Arctic and Antarctic). Auroras are produced when the magnetosphere is sufficiently
Aurora Borealis (painting) end of the American Civil War, "Aurora Borealis" (1865) was believed to depict the portent of a simultaneously triumphant and desolate Union victory, its meaning amplified in relation to later works, including "The After Glow" (1867) and other works. "Aurora Borealis" (1865) was associated with "Rainy Season in the Tropics" (1866) for two reasons. First, the two paintings marked the completion of the arctic-tropical sequence created with "The Heart of the Andes" (1859) and "The North", also known as "The Icebergs" (1861). These pairings drew together popular attention on exploration of the arctic North and the tropical South. The second