Extraterrestrial

Extraterrestrial refers to any object or being beyond (extra-) the planet Earth (terrestrial), extraplanetary to Earth. 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

 * Culture of extraterrestriality
 * Extraterrestrial life, life that occurs outside of Earth and that probably did not originate from Earth
 * Extraterrestrial intelligence, hypothetical intelligent extraterrestrial life
 * Extraterrestrials in fiction
 * List of alleged extraterrestrial beings

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
 * Extraterrestrial (album), a 2020 album by Joker Xue
 * Extraterrestrial: The First Sign of Intelligent Life Beyond Earth, 2021 popular science book by Avi Loeb

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, diamonds formed outside of Earth
 * Extraterrestrial materials, objects now on Earth that were solidified prior to arriving on Earth
 * Extraterrestrial sky, a view of outer space from the surface of a world other than Earth
 * Extraterrestrial vortex, cyclones found on other planets or natural satellites other than the Earth