Observatory
Location used for observing terrestrial or celestial events / From Wikipedia, the free encyclopedia
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For other uses, see Observatory (disambiguation).
See also: Observational astronomy
An observatory is a location used for observing terrestrial, marine, or celestial events. Astronomy, climatology/meteorology, geophysics, oceanography and volcanology are examples of disciplines for which observatories have been constructed. Historically, observatories were as simple as containing an astronomical sextant (for measuring the distance between stars) or Stonehenge (which has some alignments on astronomical phenomena).