Japanese edit

For pronunciation and definitions of うちうじん – see the following entry.
宇宙人うちゅうじん
[noun] an alien (life form of non-Earth origin)
[noun] Synonym of 宇宙飛行士 (uchū hikōshi, astronaut) (member of the crew of a spaceship or other spacecraft, or someone trained for that purpose)
(This term, うちうじん, is a historical kana spelling of the above term.)