Question

Why did these observations persuade galileo that the geocentric view of ptolemy was wrong?

Answer 1

Galileo was persuaded by his observations, such as the phases of Venus and the moons of Jupiter, that the geocentric view of Ptolemy was incorrect.

Step-by-step explanation:

Galileo was persuaded that the geocentric view of Ptolemy was wrong based on his observations. He observed certain phenomena that were inconsistent with the geocentric model. For example, Galileo observed the phases of Venus, which is only possible if Venus orbits the Sun. According to the geocentric model, all planets should always be seen as fully illuminated.

Another observation that convinced Galileo was the moons of Jupiter. He discovered four moons orbiting Jupiter, which provided evidence that not everything in the universe revolves around the Earth. This observation directly contradicted the geocentric model where all celestial bodies were believed to revolve around the Earth.

These observations, among others, led Galileo to conclude that the geocentric view of Ptolemy was inaccurate and that the heliocentric model proposed by Copernicus was a better representation of the solar system.

Answer 2

During Galileo's time, people believe that the universe is geocentric, even though there was no concrete proof to back this up. When Galileo discovered the phases of Venus and other heavenly bodies, he knew that his discovery could not fit the mold of the geocentric theory. His discoveries contradicted the geocentric theory. With evidence and actual observation (and not just hypothesizing), Galileo was convinced that geocentrism is wrong and the real center of the solar system is the Sun.