Extraterrestrial refers to any object or being beyond ( extra-) the planet Earth (

terrestrial Terrestrial refers to things related to land or the planet Earth. Terrestrial may also refer to: * Terrestrial animal, an animal that lives on land opposed to living in water, or sometimes an animal that lives on or near the ground, as opposed to ...

). It is derived from the Latin words ''extra'' ("outside", "outwards") and ''terrestris'' ("earthly", "of or relating to the Earth"). It may be abbreviated as "E.T." Extraterrestrial may also refer to:

General topics

* Extraterrestrial life, life that occurs outside of Earth and that probably did not originate from Earth **

Extraterrestrial intelligence Extraterrestrial intelligence (often abbreviated ETI) refers to hypothetical intelligent extraterrestrial life. The question of whether other inhabited worlds might exist has been debated since ancient times. The modern form of the concept emerged ...

, hypothetical intelligent extraterrestrial life **

Extraterrestrials in fiction An extraterrestrial or alien is any extraterrestrial lifeform; a lifeform that did not originate on Earth. The word ''extraterrestrial'' means "outside Earth". The first published use of ''extraterrestrial'' as a noun occurred in 1956, during the ...

List of alleged extraterrestrial beings This is a list of alleged extraterrestrial beings that have been reported in close encounters, claimed or speculated to be associated with "Unidentified flying objects" (UFOs) (not to be confused with the meaning of the term 'alien species' in the ...

Media and entertainment

* ''Extraterrestrial'' (TV documentary), a program on the National Geographic Channel * "Extraterrestrial" (song), a 2018 song by Tynan and Kompany * "E.T." (song), a 2010 song by Katy Perry * '

Film

* ''Extraterrestrial'' (2011 film), a 2011 Spanish film by Nacho Vigalondo * ''Extraterrestrial'' (2014 film), a 2014 American film by Colin Minihan and written by The Vicious Brothers * '' E.T. the Extra-Terrestrial'', a 1982 film by Steven Spielberg

Other uses

Extraterrestrial diamonds Although diamonds on Earth are rare, extraterrestrial diamonds (diamonds formed outside of Earth) are very common. Diamonds so tiny that they contain only about 2000 carbon atoms are abundant in meteorites and some of them formed in stars before th ...

, diamonds formed outside of Earth *

Extraterrestrial materials Extraterrestrial material refers to natural objects now on Earth that originated in outer space. Such materials include cosmic dust and meteorites, as well as samples brought to Earth by sample return missions from the Moon, asteroids and comet ...

, objects now on Earth that were solidified prior to arriving on Earth *

Extraterrestrial sky In astronomy, an extraterrestrial sky is a view of outer space from the surface of an astronomical body other than Earth. The only extraterrestrial sky that has been directly observed and photographed by astronauts is that of the Moon. The sk ...

, a view of outer space from the surface of a world other than Earth *

Extraterrestrial vortex An extraterrestrial vortex is a vortex that occurs on planets and natural satellites other than Earth that have sufficient atmospheres. Most observed extraterrestrial vortices have been seen in large cyclones, or anticyclones. However, occasional ...

, cyclones found on other planets or natural satellites other than the Earth

General topics

Media and entertainment

Film

Other uses

See also