Industrial smog occurs in foggy, cool weather typical of that experienced in the British Isles and the eastern seaboard of the United States. Photochemical smog, on the other hand, occurs in hot, dry climates, and particularly on sunny days. Cities noted for this type of smog, such as Los Angeles, Tokyo and Mexico City, are typically surrounded by mountains that prevent air circulation. While industrial smog is most intense in the early morning, photochemical smog peaks at midday.
Emperor Palpatine. Emperor Palpatine is a fictional character and the main antagonist of the Star Wars saga, portrayed by Ian McDiarmid in the feature films. Palpatine first appeared as the unnamed Emperor of the Galactic Empire in the 1980 film Star Wars Episode V: The Empire Strikes Back. In this film and Star Wars Episode VI: Return of the Jedi, he is an aged, pale-faced figure who wears dark robes.
He fought the Galactic Republic during the Clone Wars and is secretly the Sith Lord Darth Tyranus. The actor that played Count Dooku/Darth Tyranus is Christopher Lee. 1  Darth Vader Once known as Anakin Skywalker, Darth Vader is a Jedi-turned-Sith, and the iconic villain in the Star Wars saga. 2  He was feared throughout the cosmos as the merciless enforcer of the totalitarian ruler of the Galaxy, Emperor Palpatine.