An astronomical instrument is a device for observing, measuring or recording astronomical data. They are used in the scientific field of astronomy, a natural science that studies celestial objects and the phenomena that occur in the cosmos, with the object of explaining their origin and evolution over time. Many are also used in navigation and surveying.
Astronomical instruments include:Descriptions here are taken automatically from the linked articles or from items on Wikidata.
See also Astronomy Outline of astronomy Surveying instrument Measurement instrument
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