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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.
This category contains articles about instruments used for astronomy. Subcategories. This category has the following 8 subcategories, out of 8 total. ...
Positioning an optical telescope in space eliminates the distortions and limitations that hamper that ground-based optical telescopes (see Astronomical seeing), providing higher resolution images. Optical telescopes are used to look at planets, stars, galaxies, planetary nebulae and protoplanetary disks, amongst many other things. [150]
These ranged from the astrological, the astronomical and the religious, to navigation, seasonal and daily time-keeping, and tide tables. At the time of their use, astrology was widely considered as much of a serious science as astronomy, and study of the two went hand-in-hand.
1576 – Royal Danish Astronomical Observatory Uraniborg at Hven by Tycho Brahe; 1577–80 – Taqi al-Din invents a mechanical astronomical clock that measures time in seconds, one of the most important innovations in 16th-century practical astronomy, as previous clocks were not accurate enough to be used for astronomical purposes. [13]
The Albion is an astronomical instrument invented by Richard of Wallingford at the beginning of the 14th century. [5] It has various functional uses such as that of the equatorium for planetary and conjunction computations. It can calculate when eclipses will occur.
Greek astronomers used the dioptra to measure the positions of stars; both Euclid and Geminus refer to the dioptra in their astronomical works. It continued in use as an effective surveying tool. Adapted to surveying, the dioptra is similar to the theodolite, or surveyor's transit, which dates to the sixteenth century. It is a more accurate ...
Though called a cross-staff, this instrument uses a shadow vane to cast a shadow on the instrument to measure the altitude of the sun. Thomas Hood invented this cross-staff in 1590. [4] It could be used for surveying, astronomy or other geometric problems. It consists of two components, a transom and a yard.
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