They showed that it's possible for an astronomical object to orbit around something other than the Earth, so it was a first step in dismantling the geocentric theory. On it is own this did not prove anything but with further discoveries from about 1670 onwards the heliocentric theory started to take root.
It is the geocentric model.
The observation of the moons orbiting the planet Jupiter made by Galileo. This proved that not everything revolved round Earth/Rome.
Geocentric models had the earth as the center of the universe with the sun and all the planets orbiting it. Heliocentric models (the current accepted ones) have the sun as the center, with the earth and planets orbiting it.
Galileo's observation of Jupiter's moons provided direct evidence that not all celestial bodies revolve around the Earth. By observing the moons orbiting Jupiter, he showed that there are objects in the universe that do not orbit the Earth, contradicting the geocentric model which placed Earth at the center of the universe with all celestial bodies orbiting around it.
Galileo's observation of Jupiter's moons orbiting another planet showed that not all celestial bodies revolved around Earth, contradicting the geocentric model that placed Earth at the center of the universe. This supported the heliocentric model proposed by Copernicus, which placed the Sun at the center with planets, including Earth, orbiting around it.
The major difference between the geocentric and heliocentric models lies in the center of the solar system: the geocentric model places the Earth at the center, with the Sun and planets orbiting around it, while the heliocentric model positions the Sun at the center, with the Earth and other planets orbiting around it. The heliocentric model, proposed by Copernicus, is supported by observational evidence and eventually led to a better understanding of planetary motions, while the geocentric model was based on ancient beliefs and lacked empirical support.
The four largest satellites of Jupiter, known as the Galilean moons (Io, Europa, Ganymede, and Callisto), were discovered by Galileo Galilei in 1610. Using a telescope, Galileo observed these moons orbiting Jupiter, providing evidence against the geocentric model of the universe and supporting the heliocentric model proposed by Copernicus. This discovery revolutionized our understanding of the solar system.
Galileo's observations of Jupiter and its moons provided compelling evidence against the geocentric model, which positioned Earth at the center of the universe. By observing the four largest moons of Jupiter, now known as the Galilean moons, he demonstrated that not all celestial bodies orbit the Earth; instead, these moons orbited Jupiter. This contradicted the geocentric view and supported the heliocentric model proposed by Copernicus, which posited that the planets, including Earth, orbit the Sun. Galileo's discoveries marked a significant shift in our understanding of the cosmos, highlighting the complexity of celestial mechanics.
One of the key figures who challenged the geocentric model of the solar system was Nicolaus Copernicus, who proposed a heliocentric model with the Sun at the center and the planets, including Earth, orbiting around it. This heliocentric model eventually gained acceptance and revolutionized our understanding of the solar system.
Galileo discovered the moons of Jupiter, which were the first objects discovered that orbited round something other than the Earth. Before then, it was assumed that everything in the universe rotated around the Earth. Galileo discovered objects revolving round Jupiter, but that on its own did not show that the geocentric Ptolemaic model was wrong.
There is no geocentric model of the earth!
A model of planets orbiting is called a heliocentric model, where planets revolve around the sun in elliptical orbits. This model was first proposed by Copernicus in the 16th century as an alternative to the geocentric model.