Korona

Corona (from Greek κορώνη, 'ring' ) stands for:

Corona ( the Sun), the outer layer of the Sun's atmosphere
One of four different forms of auroras see aurora # forms
Corona ( Atmospheric Optics ), which caused by water droplets in the atmosphere colored rings around the moon or sun
As shorthand for an electrical corona discharge
Corona ring
Corona ( solar boat ), a research vessel of the University of Konstanz
The former coin in the Hungarian part of Austria - Hungary, see Austrian crown
Korona Kielce, a Polish football club from Kielce
Corona (Florida ), city in the United States
A saint of the 2nd century, see Corona ( Stephana )