Observer Variation

An observer is one who engages in observation or in watching an experiment.

Observer may also refer to:

Fiction

* Observer (novel), ''Observer'' (novel), a 2023 science fiction novel by Robert Lanza and Nancy Kress
* Observer (video game), ''Observer'' (video game), a cyberpunk horror video game
* Observer (Mystery Science Theater 3000), Observer (''Mystery Science Theater 3000''), a fictional television character
* Observers, Mythology of Fringe#Observers, beings in the television show ''Fringe''

Music

* "Observer", a song by Gary Numan on his album ''The Pleasure Principle (Gary Numan album), The Pleasure Principle''
* "The Observer", a track from The Flaming Lips' 1999 album ''The Soft Bulletin''
* The Observers, an alternative name for reggae session band Soul Syndicate

Publications

* ''The Observer'', a UK Sunday newspaper & magazine
* The Observer (disambiguation), ''The Observer'' (disambiguation), multiple publications including newspapers, magazines & fiction
* ''The APS Observer'', a member magazine of the Association for Psychological Science (APS)

Science and technology

* Observer (general relativity)
* Observer (quantum physics)
* Observer (special relativity)
* Observer (meteorological)
* Observer pattern, a design pattern used in computer programming
* State observer in control theory, a system that models a real system in order to provide an estimate of its internal state

Other uses

* The Observer type in the Enneagram of Personality model
*Donald Alaster Macdonald (1859–1932), Australian journalist who wrote under the pseudonym 'Observer'

See also

* Observer effect (disambiguation)
* National Observer (disambiguation), a variety of publications
* The Observer (disambiguation)
* United Nations Military Observer
*

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