Results 11 to 20 of about 160 (135)
Cahiers François Viète, 2023 Simon Newcomb argued that nineteenth century observatory practices were dominated by the German school of practical astronomy devised by Friedrich Wilhelm Bessel. A key tenet of this school was the mathematical correction of instrumental errors.
Daniel Belteki
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A Methodology and Tool for Mapping the Risk of Cumulative Effects on Benthic Habitats
Frontiers in Marine Science, 2020 The implementation of the European integrated marine policy poses many scientific challenges. Among them, the knowledge and understanding of interactions between anthropogenic pressures and ecological components is an important issue, particularly to ...
Frédéric Quemmerais-Amice +4 more
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Astronomy and Diplomacy at the Court of King João V of Portugal
Cahiers François Viète, 2017 During the reign of King João V of Portugal (r.1707-1750), astronomy took part in a movement of cultural renewal and gave impulse to notable international exchanges, which were promoted by the absolutist monarch himself.
Luís Tirapicos
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Cahiers François Viète, 2023 The nineteenth-century press devoted important attention to science, and to astronomy, for many different reasons. This paper surveys public representations of meridian circles and other core instruments such as transit instruments and equatorial ...
David Aubin
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Observatoires numériques au service du développement durable
Terminal, 2010 Cet article traite du processus de co-construction située de connaissance territoriale, dans lequel s’engagent actuellement de façon conjointe acteurs territoriaux et chercheurs.
Pierre Champollion +2 more
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Cahiers François Viète, 2023 Newly created by the German Empire in the recently annexed Alsatian capital, the Strasbourg astronomical observatory was equipped in 1880 with a Repsold meridian circle. Two characteristics define its installation.
Delphine Issenmann
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Les signaux horaires français : la quête d’un système uniformisé
Cahiers François Viète, 2016 In the middle of the 19th century, six chronometric observatories of the French Navy provided a time service for the control of marine watches. A ministerial decree of 1858 required French ports to transmit a time signal at a fixed time to ships in ...
Olivier Sauzereau
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Cahiers François Viète, 2016 In the 19th century, knowledge of the time on board ships was essential for managing navigation. The “time-ball” system, initially installed in English ports from 1829, was gradually developed in various countries. One of the arguments for the foundation
Jérôme Noë (de La)
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Cahiers François Viète, 2017 This paper presents a tentative overview of colonial observatories in the Third Portuguese Empire (1825-1957). The main issue under focus is the problem of action from a distance, that is, the attempts to steer an imperial network of observation from ...
Pedro M.P. Raposo
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Jules Janssen : un refusé à l'ombre du soleil
Cahiers François Viète, 2015 Born into a middle-class family where art plays a major role, Jules Janssen was a self-taught scientist and had to work in the bank and then as a tutor while collecting university degrees.
Stéphane Le Gars
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