Observer
This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Observer".

Look up Observer in
Wiktionary, the free dictionary.

Observer may refer to:

• Any person who is observing
• The Observer personality type
• Air observer, an aircrew member of a (usually military) aircraft
• Observer (special relativity), a notion from the special relativity theory
• In information theory, any system which receives information from an object.
• A state observer in control theory, a system that models a real system in order to provide an estimate of its internal state
• Observer pattern, a design pattern used in computer programming
• Observer (MST3K) aka Brain Guy, one of many omnipotent aliens in Mystery Science Theater 3000
• "The Observer", a track from The Flaming Lips' 1999 album The Soft Bulletin
• The observer effect, changes that the act of observing will make on the phenomenon being observed
• "Observer Effect", the 87th episode from the television series Star Trek: Enterprise
• Observer status, granted by an organization to a non-member, allowing the non-member limited ability to participate in the organization's activities

Publications

• The Observer, a UK Sunday newspaper
• The Texas Observer, an American political magazine
• A Sri Lankan Sunday and evening newspaper
• The Observer (disambiguation), various newspapers

This disambiguation page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article.