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Celestial globes show the apparent positions of the stars in the sky. They omit the Sun, Moon, and planets because the positions of these bodies vary relative to those of the stars, but the ecliptic, along which the Sun moves, is indicated. There is an issue regarding the "handedness" of celestial globes.
In 1813, Wilson opened the first geographic globe factory in the United States and sold his initial 13 inch globe for $50. [1] The Wilson globes were widely successful, and Wilson expanded to production of sets of celestial and terrestrial globes in various sizes, materials and prices, including printed Papier-mâché , enabling them to be ...
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 ...
A globe is a spherical model of Earth, of some other celestial body, or of the celestial sphere. Globes serve purposes similar to maps, but, unlike maps, they do not distort the surface that they portray except to scale it down. A model globe of Earth is called a terrestrial globe. A model globe of the celestial sphere is called a celestial globe.
An example of the largest model of globes produced by Åkerman: celestial globe from 1766, now in the collections of the Maritime Museum in Stockholm. Soon afterwards, the society commissioned Åkerman to expand the range, and in 1762 a pair of globes with a diameter of 11 centimetres (4.3 in) entered the market.
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.
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