2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/84800We discuss the extent to which the visibility of the heavens was a necessary condition for the development of science, with particular reference to the measurement of time. Our conclusion is that while astronomy had significant importance, the growth of most areas of science was more heavily influenced by the accuracy of scientific instruments, and hence by current technology.15 pagesHistory and Philosophy of Physicstext