An alien - is a hypothetical living rational being who is residence on another planet or on another the world.
Currently, it is also a cultural phenomenon, a representative of a sensible extraterrestrial civilization, an inhabitant of another planet (often non-human).
In the cinema of the USA, it is customary to depict aliens as thin green creatures;
In human mass culture, the alien most often appears as a humanoid. There is five peculiar "classic" images of an alien:
- "Gray" - a humanoid creatures with a flabby body, covered with gray or light green skin, without hair and with a disproportionately large head, on which there are huge diagonal eyes of black color and almond-shaped form;
- “Scandinavians” (they are also Nords) - northern European of high stature with geometrically perfect features and body build;
- Reptiloids - humanoids resembling terrestrial reptiles. Mentioned in conspiracy theories;
- Insectoids - anthropomorphic intelligent insects;