He observed the rough surface of the Moon, the four large moons of Jupiter, and the phases of Venus. These findings provided important evidence supporting the sun-centered model of the universe, questioned the established astronomical understanding of the period, and contributed to the development of the Scientific Revolution.
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Frequently asked questions
- What was Galileo's Telescopic Observations?
- Beginning in 1609, Galileo Galilei systematically observed the heavens with the telescope he had developed.
- When did Galileo's Telescopic Observations happen?
- 1609 CE