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An orrery is a mechanical model of the Solar System that illustrates or predicts the relative positions and motions of the planets and moons, usually according to the heliocentric model. It may also represent the relative sizes of these bodies; however, since accurate scaling is often not practical due to the actual large ratio differences, it ...
The Antikythera mechanism (/ ˌ æ n t ɪ k ɪ ˈ θ ɪər ə / AN-tik-ih-THEER-ə, US also / ˌ æ n t aɪ k ɪ ˈ-/ AN-ty-kih-) [1] [2] is an Ancient Greek hand-powered orrery (model of the Solar System). It is the oldest known example of an analogue computer. [3] [4] [5] It could be used to predict astronomical positions and eclipses decades ...
John Fulton (1803–1853) was a Scottish instrument maker who originally trained as a cobbler. [1] He built three orreries in a workshop attached to at his home, now demolished, in the Kirton Brae area of Fenwick [2] and was eventually appointed instrument maker to King William IV, moving to London, but retiring to Fenwick.
Less than three years before Elon Musk tapped him to help overhaul the US government, Edward Coristine, then 17, was the subject of a heated dispute among executives at cybersecurity firm over his ...
Orrery and Kilmore (Irish: Orbhraí agus An Choill Mhór) is a historical barony in north County Cork, Ireland. [1] [2] Baronies were mainly cadastral rather than administrative units. [3] They acquired modest local taxation and spending functions in the 19th century before being superseded by the Local Government (Ireland) Act 1898. [4] [5]
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A 1766 Benjamin Martin mechanical model, or orrery, on display at the Harvard Collection of Historical Scientific Instruments. Solar System models, especially mechanical models, called orreries, that illustrate the relative positions and motions of the planets and moons in the Solar System have been built for centuries. While they often showed ...
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