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Jost Bürgi and Antonius Eisenhoit: Armillary sphere with astronomical clock, made in 1585 in Kassel, now at Nordiska Museet in Stockholm. An armillary sphere (variations are known as spherical astrolabe, armilla, or armil) is a model of objects in the sky (on the celestial sphere), consisting of a spherical framework of rings, centered on Earth or the Sun, that represent lines of celestial ...
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 astrolabe/almucantar quadrant – a quadrant developed from the astrolabe: This quadrant was marked with one half of a typical astrolabe plate as astrolabe plates are symmetrical. A cord attached from the centre of the quadrant with a bead at the other end was moved to represent the position of a celestial body (sun or a star).
This is a list of sites where claims for the use of archaeoastronomy have been made, sorted by country.. The International Council on Monuments and Sites (ICOMOS) and the International Astronomical Union (IAU) jointly published a thematic study on heritage sites of astronomy and archaeoastronomy to be used as a guide to UNESCO in its evaluation of the cultural importance of archaeoastronomical ...
Canterbury Astrolabe Quadrant – Medieval astrolabe found in England; Celatone – Navigational aid reliant on tracking Jupiter's moons in the sky; Celestial sphere – Imaginary sphere of arbitrarily large radius, concentric with the observer; Charge-coupled device – Device for the movement of electrical charge
An astrolabe from the Mughal era exhibited at the National Museum in New Delhi, India. Yantrarāja is the Sanskrit name for the ancient astronomical instrument called astrolabe . It is also the title of a Sanskrit treatise on the construction and working of the astrolabe composed by a Jain astronomer Mahendra Sūri in around 1370 CE.
The Canterbury Astrolabe Quadrant is a medieval astrolabe believed to date from 1388, and which was found in an archaeological dig at the House of Agnes, [1] a bed and breakfast hotel in Canterbury, Kent, England, in 2005. The Canterbury Astrolabe Quadrant is the only one of its kind known to have been definitely made in England. [2]
The Verona astrolabe is an archaeological discovery unearthed in the vaults of a museum in Verona, Italy. [1] Dating back to the eleventh century, this Islamic astrolabe is one of the oldest examples of its kind and is among the few known to exist worldwide. It appears to have been employed by Muslim, Jewish, and Christian communities spanning ...