Observation in the natural sciences is an act or instance of noticing or perceiving and the acquisition of information from a primary source. In living...

Earth observation (EO) is the gathering of information about the physical, chemical, and biological systems of the planet Earth. It can be performed via...

statistics, a unit of observation is the unit described by the data that one analyzes. A study may treat groups as a unit of observation with a country as...

Naturalistic observation, sometimes referred to as fieldwork, is a research methodology in numerous fields of science including ethology, anthropology...

knowledge and ideas. Observation may also refer to: Observation in auditing, a procedure to obtain audit evidence. Observation tower Observation deck Observer...

An army of observation is a military body whose purpose is to monitor a given area or enemy body in preparation for possible hostilities. Some of the...

Observational comedy is a form of humor based on the commonplace aspects of everyday life. It is one of the main types of humor in stand-up comedy. In...

An observation tower is a tower used to view events from a long distance and to create a full 360 degree range of vision to conduct long distance observations...

Medical observation is a medical service aimed at continued care of selected patients, usually for a period of 6 to 24 (sometimes more) hours, to determine...

The first direct observation of gravitational waves was made on 14 September 2015 and was announced by the LIGO and Virgo collaborations on 11 February...

Analog observation is, in contrast to naturalistic observation, a research tool by which a subject is observed in an artificial setting. Typically, types...

Observational astronomy is a division of astronomy that is concerned with recording data about the observable universe, in contrast with theoretical astronomy...

the observational method can exert varying amounts of control over the environment in which the observation takes place. This makes observational research...

An air observation post (AOP) is an aeroplane or helicopter used in the role of artillery spotter by the British Army and Commonwealth forces. In this...

biodiversity observations. Observation.org may be accessed via its website or from its mobile applications like ObsIdentify. The Observation.org database holds...

Participant observation is one type of data collection method by practitioner-scholars typically used in qualitative research and ethnography. This type...

Observation Hill may refer to: Observation Hill (Somaliland), location of Battle of Tug Argan in Somaliland Observation Hill (McMurdo Station), Antarctica...

Wildlife observation is the practice of noting the occurrence or abundance of animal species at a specific location and time, either for research purposes...

An observation deck, observation platform, or viewing platform is an elevated sightseeing platform usually situated upon a tall architectural structure...

An Earth observation satellite or Earth remote sensing satellite is a satellite used or designed for Earth observation (EO) from orbit, including spy...

Observer effect, observer bias, observation effect, or observation bias may refer to a number of concepts, some of them closely related: Hawthorne effect...

An observation car/carriage/coach (in US English, often abbreviated to simply observation or obs) is a type of railroad passenger car, generally operated...

hospitals, the practice is sometimes referred to as constant visual observation (CO). CO is the practice of placing somebody, generally someone in a...

objects. It is generally accepted that unaided perception constitutes observation, but it is disputed to what extent objects accessible only to aided perception...

An observation post (commonly abbreviated OP), temporary or fixed, is a position from which soldiers can watch enemy movements, to warn of approaching...

An observation balloon is a type of balloon that is employed as an aerial platform for gathering intelligence and spotting artillery. The use of observation...

Space Station) transit. Solar System portal List of lunar craters Moon Observational astronomy Planetshine Plait, Phil (November 17, 2011). "An unreal picture...

Observation Peak may refer to: Observation Peak (Alaska), near Juneau Observation Peak (Alberta), Banff National Park, Alberta, Canada Observation Peak...

meaningful, "portal". In sciences and academic disciplines, discovery is the observation of new phenomena, new actions, or new events and involves providing new...

Solar observation is the scientific endeavor of studying the Sun and its behavior and relation to the Earth and the remainder of the Solar System. Deliberate...