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 fur is stroked. They believed that the lights were the spirits of their departed friends dancing in the sky, and when they shone brightly it meant that their deceased friends were very happy. During the night after the [[Battle of Fredericksburg]], an aurora was seen from the battlefield. The [[Confederate Army]] took this as a sign that God was on their side, as the lights were rarely seen so far south. The painting "[[Aurora Borealis (painting)|Aurora Borealis]]" by [[Frederic Edwin Church]] is widely interpreted to represent the conflict of the [[American Civil War]]. A mid 19th-century British source says auroras