Chapter ID: CBB000930911

Verifying Galileo's Discoveries: Telescope-Making at the Collegio Romano (2007)

unapi

The Jesuits of the Collegio Romano in Rome, especially the mathematicians Clavius and Grienberger, were very interested in Galilei's discoveries. After they had failed to recognize with telescopes of own construction the celestial phenomena, they expressed serious doubts. But from November 1610 onward, after they had built a better telescope and had obtained from Venice another one in addition, and could verify Galilei's observations, they completely accepted them. Clavius, who stuck to the Ptolemaic system till his death in 1612, even pointed out these facts in his last edition of Sacrobosco's Sphaera. He as well as his conpatres, however, avoided any conclusions with respect to the planetary system.

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Citation URI
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Authors & Contributors
Zik, Yaakov
Marcacci, Flavia
Van Helden, Albert
Udías, Agustín
Strano, Giorgio
Shi, Yunli
Concepts
Telescopes
Astronomy
Scientific apparatus and instruments
Observation
Solar system; planets
Physics
Time Periods
17th century
16th century
18th century
20th century
19th century
Places
Japan
Italy
China
Belgium
Institutions
Jesuits (Society of Jesus)
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