In Henry Olerich's, "A Cityless and Countryless World" what planet do the aliens come from?
Martian A Martian is a native inhabitant of the planet Mars. Although the search for evidence of life on Mars continues, many science fiction writers have imagined what extraterrestrial life on Mars might be like. Some writers also use the word "Martian" to describe a human colonist on Mars.
Earth in Planet 51 In the 2010 Spanish-British-American movie "Planet 51", an American astronaut lands on an Earth-like planet, but the planet is populated by green human-like extrateterrestrials, who live in an era similar to the American 1950s and are very afraid of terrestrial-like "aliens" from their popular culture.