Stratosphere around at midlatitudes, and at about at the poles. Temperatures range from an average of near the tropopause to an average of near the mesosphere. Stratospheric temperatures also vary within the stratosphere as the seasons change, reaching particularly low temperatures in the polar night (winter). Winds in the stratosphere can far exceed those in the troposphere, reaching near in the Southern polar vortex. The mechanism describing the formation of the ozone layer was described by British mathematician Sydney Chapman in 1930. Molecular oxygen absorbs high energy sunlight in the UV-C region, at wavelengths shorter than about 240 nm. Radicals produced
The Lord of the Rings: The Battle for Middle-earth for Best of E3 2004 Editors Choice. "The Battle for Middle-earth" was nominated for "X-Play"s "Best Strategy Game" and "PC Gamer US"s "Best Real-Time Strategy Game 2004" awards, both of which ultimately went to "". The Lord of the Rings: The Battle for Middle-earth The Lord of the Rings: The Battle for Middle-earth is a real-time strategy video game developed by EA Los Angeles for Microsoft Windows. It was released in December 6, 2004 and is based on Peter Jackson's "The Lord of the Rings" film trilogy, in turn based on J. R. R. Tolkien's original novel. The game uses