Natura e moto dei cieli visibili secondo Giovanni Battista Riccioli. Analisi di Almagestum Novum, vol. II, lib. IX, sect. I e II

Name: Natura e moto dei cieli visibili secondo Giovanni Battista Riccioli. Analisi di Almagestum Novum, vol. II, lib. IX, sect. I e II
Brand: Vita e Pensiero
Price: 6.00 EUR
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Articolo

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RIVISTA DI FILOSOFIA NEO-SCOLASTICA

Fascicolo

RIVISTA DI FILOSOFIA NEO-SCOLASTICA - 2018 - 1-2

Titolo

Natura e moto dei cieli visibili secondo Giovanni Battista Riccioli. Analisi di Almagestum Novum, vol. II, lib. IX, sect. I e II

Autore

Flavia Marcacci

Editore

Vita e Pensiero

Formato

Articolo |

Pdf

Pagine

Online da

04-2018

Doi

10.26350/001050_000051

Issn

0035-6247 (stampa) | 1827-7926 (digitale)

€ 6,00

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Descrizione

In Section I, book IX of his Almagestum novum (1651), Giovanni Battista Riccioli (1598-1691) investigates the nature of the astronomical heavens. He asks whether the heavens are made of one kind of matter or of several. He argues that the planets move in a fluid medium but that the eighth and last sphere is made of frozen water. Comets disclose the corruptibility in the heavens which, on the whole, are incorruptible. How is this possible? Riccioli believes that the solution lies in considering the heavens as ab intrinseco corruptibiles, and ab extrinseco incorruptibiles. In the next Section of book IX, Riccioli examines the cause of heavenly motion, and he argues, in interesting detail, that the most likely hypothesis is that celestial bodies are moved by angels, whose agency we shall never completely understand.