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Bookmark or Share- Extraterrestrial life | Definition, SETI, & Facts | BritannicaExtraterrestrial life refers to life that may exist or may have existed in the universe outside of Earth. The search for extraterrestrial life encompasses many fundamental scientific questions, including ‘What are the basic requirements for life?’ and ‘Are there other planets like Earth?’
- Extraterrestrial life - Exoplanets, Habitability, Astrobiology | BritannicaExtraterrestrial life - Exoplanets, Habitability, Astrobiology: For thousands of years humans have wondered whether they were alone in the universe or whether other worlds populated by more or less humanlike creatures might exist.
- Extraterrestrial life - Solar System, Planets, Astrobiology | BritannicaExtraterrestrial life - Solar System, Planets, Astrobiology: A brief survey of life’s prospects on the moons and planets of the solar system follows. In the solar system there are many different environments that could contain significant clues to the origin of life and perhaps even life itself.
- Alien | extraterrestrial life | Britannicaalien, hypothetical intelligent extraterrestrial being. See extraterrestrial intelligence. See also extraterrestrial life; unidentified flying object. This article was most recently revised and updated by
- E.T.: The Extra-Terrestrial | film by Spielberg [1982] | BritannicaE.T.: The Extra-Terrestrial (1982) was a moving exploration of an alien encounter that cleverly eschewed the epic scale of Close Encounters for the microcosm of its effect on a single California family. Henry Thomas gave a strong performance as the boy who discovers and befriends…
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