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Cover: 9781445745411 | The Equation of Time - AEquatio Dierum | Kevin Karney | Taschenbuch
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The Equation of Time - AEquatio Dierum
A Journal, a Reference & a Picture Book
Taschenbuch von Kevin Karney
Sprache: Englisch

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Beschreibung
The Equation-of-Time denotes the variance between Mean Time as told by the Stars and Solar Time as told by the Sun. It was initially identified by Ptolemy around 200 CE. During the Early Middle Ages, astronomers utilized this Equation to assist in lunar observations. Throughout the High & Late Middle Ages, sundials held prominence as the primary means of timekeeping, indicating Solar Time. However, in the 17th century CE, the emergence of precise pendulum clocks and watches prompted a gradual shift towards the adoption of Mean Time over Solar Time. In particular, the use of Solar Time corrected by the Equation-of-Time to determine local mean time, was used in the determination of longitude at sea. Prior to the availability of time signals, sundials - together with tables detailing the Equation - were used to set clocks.
The Equation-of-Time denotes the variance between Mean Time as told by the Stars and Solar Time as told by the Sun. It was initially identified by Ptolemy around 200 CE. During the Early Middle Ages, astronomers utilized this Equation to assist in lunar observations. Throughout the High & Late Middle Ages, sundials held prominence as the primary means of timekeeping, indicating Solar Time. However, in the 17th century CE, the emergence of precise pendulum clocks and watches prompted a gradual shift towards the adoption of Mean Time over Solar Time. In particular, the use of Solar Time corrected by the Equation-of-Time to determine local mean time, was used in the determination of longitude at sea. Prior to the availability of time signals, sundials - together with tables detailing the Equation - were used to set clocks.
Über den Autor
The author has lectured internationally on the Equation of Time, the history of time keeping and sundials
[...]
Details
Erscheinungsjahr: 2024
Genre: Importe, Technik allg.
Rubrik: Naturwissenschaften & Technik
Medium: Taschenbuch
ISBN-13: 9781445745411
ISBN-10: 1445745410
Sprache: Englisch
Ausstattung / Beilage: Paperback
Einband: Kartoniert / Broschiert
Autor: Karney, Kevin
Hersteller: Lulu.com
Verantwortliche Person für die EU: Books on Demand GmbH, In de Tarpen 42, D-22848 Norderstedt, info@bod.de
Maße: 297 x 210 x 16 mm
Von/Mit: Kevin Karney
Erscheinungsdatum: 12.05.2024
Gewicht: 0,949 kg
Artikel-ID: 129528870
Über den Autor
The author has lectured internationally on the Equation of Time, the history of time keeping and sundials
[...]
Details
Erscheinungsjahr: 2024
Genre: Importe, Technik allg.
Rubrik: Naturwissenschaften & Technik
Medium: Taschenbuch
ISBN-13: 9781445745411
ISBN-10: 1445745410
Sprache: Englisch
Ausstattung / Beilage: Paperback
Einband: Kartoniert / Broschiert
Autor: Karney, Kevin
Hersteller: Lulu.com
Verantwortliche Person für die EU: Books on Demand GmbH, In de Tarpen 42, D-22848 Norderstedt, info@bod.de
Maße: 297 x 210 x 16 mm
Von/Mit: Kevin Karney
Erscheinungsdatum: 12.05.2024
Gewicht: 0,949 kg
Artikel-ID: 129528870
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