what is observational science
The definition of observational science is a field of science where controlled observations cannot be done in order to study causes and effects. Scientific studies are simply done through the observation of nature taking its course and recording the findings over time. Astronomy.
of, relating to, or founded on observation, especially founded on observation rather than experiment. Origin of observational. 1825-1835. First recorded in 1825-35; observation + -al1.