Innovación tecnolóxica e astronomía social na eclipse de sol do 17 de abril de 1912 no Barco de Valdeorras

• Autores: Salvador Bará Viñas
• Localización: Revista Real Academia Galega de Ciencias, ISSN 1135-5417, Nº 31, 2012, págs. 55-68
• Idioma: gallego
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• Resumen

  • In April 17th 1912 the central path of a hybrid (annular-total) Solar eclipse traversed Galicia passing through O Barco de Valdeorras. It was observed from that location by a scientific commission led by the then well-known astronomer and science communicator Josep Comas i Solà. In this paper we analyze the significance of the main technologic innovation successfully demonstrated by Comas in this eclipse (a movie-camera prism spectrograph to study the temporal evolution of the flash spectrum of the Sun�s chromosphere), and we address the impact that this astronomical phenomenon had on the daily life of the town