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 an aurora formed above the port city of [[Ostia Antica|Ostia]] that was so intense and red that a cohort of the army, stationed nearby for fire duty, galloped to the rescue. It has been suggested that [[Pliny the Elder]] depicted the aurora borealis in his "[[Natural History (Pliny)|Natural History]]", when he refers to "trabes", "chasma", 'falling red flames' and 'daylight in the night'. [[File:Aurora australis.jpg|thumb|The Aboriginal Australians associated auroras (which are mainly low on the horizon and predominantly red) with fire.]] In the traditions of [[Aboriginal Australians]], the Aurora Australis is commonly associated with fire. For example, the [[Gunditjmara people]]