Aurora effect is known as the aurora borealis or the northern lights. The former term was coined by Galileo in 1619, from the Roman goddess of the dawn and the Greek name for the north wind. The southern counterpart, the aurora australis or the southern lights, has features almost identical to the aurora borealis and changes simultaneously with changes in the northern auroral zone. The Aurora Australis is visible from high southern latitudes in Antarctica, Chile, Argentina, New Zealand, and Australia. A geomagnetic storm causes the auroral ovals (north and south) to expand, and bring the aurora to lower latitudes. The
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]]