Aurora

Aurora . 1 City (1990 pop. 222,103), Adams and Arapahoe counties, N central Colo., a growing suburb on the east side of Denver; inc. 1903. Founded during the silver boom of the 1890s, it is now a business and technical center and Colorado's third largest city. Manufactures includes furniture, aircraft fittings, electrical equipment, precision measurement instruments, magnesium products, computer software, and paper. Tourism and construction are also important. The former Fitzsimmons Army Medical Center is being converted to business and research use. 2 City (1990 pop. 99,581), Kane co., NE Ill., on the Fox River; inc. 1837. It has large railroad yards and a variety of manufactures, including paper and plastic products, rods and bearings, controls (thermostats), foods, and consumer goods. It was one of the first cities to use electricity for street lighting (1881). It is the seat of Aurora Univ. and of a notable historical museum. A riverboat casino opened in the city in 1993.

Aurora In Roman mythology, the goddess of dawn, equivalent to the Greek goddess Eos.

aurora Sporadic, radiant display of coloured light in the night sky, caused by charged particles from the Sun interacting with air molecules in the Earth's magnetic field. Auroras occur in polar regions and are known as aurora borealis in the n, and aurora australis in the s.

http://www.sel.noaa.gov/pmap; http://www.spaceweather.com