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Telescopes, Tides, and Tactics: A Galilean Dialogue about The Starry Messenger and Systems of the World, including translation of Galileo’s Sidereus Nuncius. London: University Of Chicago Press, 1983. 256 pp. ISBN 978-0226162317 .
Galileo began his telescopic observations in the later part of 1609, and by March 1610 was able to publish a small book, The Starry Messenger (Sidereus Nuncius), describing some of his discoveries: mountains on the Moon, lesser moons in orbit around Jupiter, and the resolution of what had been thought to be very cloudy masses in the sky (nebulae) into collections of stars too faint to see ...
Frontispiece and title page of the Dialogue, 1632. The Dialogue Concerning the Two Chief World Systems (Dialogo sopra i due massimi sistemi del mondo) is a 1632 Italian-language book by Galileo Galilei comparing the Copernican system with the traditional Ptolemaic system.
On 19 March, he sent the telescope he had used to first view Jupiter's moons to the Grand Duke, along with an official copy of Sidereus Nuncius (The Starry Messenger) that, following the secretary's advice, named the four moons the Medician Stars. [6] In his dedicatory introduction, Galileo wrote:
"Discourse on the Tides" (Italian: Discorso Sul Flusso E Il Reflusso Del Mare) is an essay written by Galileo Galilei in 1616 as a letter to Alessandro Orsini that attempted to explain the motion of Earth's tides as a consequence of Earth's rotation and revolution around the Sun. [1]
Galileo's sketch of mountains on the sickle Moon, as published in Sidereus Nuncius In philosophy of science , the Duhem–Quine thesis , also called the Duhem–Quine problem , says that unambiguous falsifications of a scientific hypothesis are impossible, because an empirical test of the hypothesis requires one or more background assumptions.
In 1609 Galileo had built a telescope, through which he had observed the moons of Jupiter as well as the mountains and craters on the Moon. In March 1610 he published his findings in Siderius Nuncius [ note 4 ] ( The Starry Messenger ), [ note 5 ] which he dedicated to Cosimo II de' Medici, Grand Duke of Tuscany , naming the moons of Jupiter ...
[25] [26] In many instances (e.g. in Sidereus Nuncius and Letters on Sunspots) Galileo argued against the received Aristotelian model and Jesuits who defended it. However, in the Discourse on Comets Galileo defended a view that posed no challenge to the main tenets of Aristotelian cosmology, while Grassi had in fact departed from the strictly ...