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An astronomical instrument is a device for observing, measuring, or recording astronomical data. [ citation needed ] 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.
It developed from the two interdisciplinary fields of archaeoastronomy, the study of the use of astronomy and its role in ancient cultures and civilizations, and ethnoastronomy, "a closely allied research field which merges astronomy, textual scholarship, ethnology, and the interpretation of ancient iconography for the purpose of reconstructing ...
North African, 9th century CE, planispheric astrolabe. Khalili Collection. A modern astrolabe made in 2013, in Tabriz, Iran.. An astrolabe (Ancient Greek: ἀστρολάβος astrolábos, ' star-taker '; Arabic: ٱلأَسْطُرلاب al-Asṭurlāb; Persian: ستارهیاب Setāreyāb) is an astronomical instrument dating to ancient times.
The Islamic historian Ahmad Dallal notes that, unlike the Babylonians, Greeks, and Indians, who had developed elaborate systems of mathematical astronomical study, the pre-Islamic Arabs relied upon empirical observations. These were based on the rising and setting of particular stars, and this indigenous constellation tradition was known as ...
An instrument invented by the mathematician and astronomer Bhaskara II (1114–1185 CE) consisted of a rectangular board with a pin and an index arm. [39] This device—called the Phalaka-yantra—was used to determine time from the Sun's altitude. [39] The Kapālayantra was an equatorial sundial instrument used to determine the Sun's azimuth. [39]
A quadrant is an instrument used to measure angles up to 90°. Different versions of this instrument could be used to calculate various readings, such as longitude, latitude, and time of day. Its earliest recorded usage was in ancient India in Rigvedic times by Rishi Atri to observe a solar eclipse.
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Trouvelot, The great nebula in Orion (1875).. Astronomical art is a genre of space art that focuses on visual representations of outer space.It encompasses various themes, including the space environment as a new frontier for humanity, depictions of alien worlds, representations of extreme phenomena like black holes, and artistic concepts inspired by astronomy.