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Using the new technology of the telescope, Galileo discovered the moons of Jupiter: Io, Europa, Calisto, and Ganymede, thus proving that not all things orbit around the Earth, lending great support to the Copernican model of the heliocentric system. These four moons are called the Galilean moons to this day.

(and he also died and he loves u all) this last part its funny lol
He said he had a proof of the theory but that the cardinals were all too stupid to understand it and he would not divulge it. But later in court he was asked for proof and did not produce any, and recanted.

But the idea that the Sun is at the centre of the solar system was later generally accepted after scientific discoveries after Galileo's lifetime.

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1.That when two objects of different weight falls from the same height, it will land at the same time 2.That all planets revolve around the Sun. These are just the most famous two!

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the theory of pendulum

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Q: What scientific theory did Galileo Galilei Prove?
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Who was Galileo and what did he do How did he prove the heliocentric theory?

He was an Italian scientist of the 17th century. He did not prove the heliocentric theory. But everyone accepts the heliocentric principle now, after it was proved right; but that happened long after Galileo's time, after new scientific discoveries in the latter half of the 1600s.


Why did Galileo Galilei discover that Jupiter has four moons?

Before Galileo observed that Jupiter had moons of its own, the prevailing theory in astronomy was that everything in the universe revolved around the Earth, a philosophy known as geocentrism.In 1610, Galileo trained his newly-invented telescope upon Jupiter, and observed what he at first called 'fixed stars' orbiting around it. This direct evidence that not everything revolved around us after all was the first large crack in the geocentric theory, and major evidence of Copernicus's competing theory of heliocentrism: that planets and their moons revolve around the sun instead.


What year did Galileo prove the Aristotle theory wrong?

Galileo challenged Aristotle's belief that heavier objects fell faster than lighter ones.


Who developed a stronger telescope and was able to prove that Ptolemy's theories about the moon were wrong?

Galileo Galilei constructed telescopes to conduct his observations. He also disproved the Ptolemaic model.


How did Galileo help prove that Copernicus' theory about the solar system was right?

He didn't know it, he just brought out a new theory that showed that with the Sun at the centre the planets' paths could be explained more simply. That was in 1543 and Kepler produced another heliocentric theory in 1609 which had the planets moving in elliptical orbits round the Sun. The only thing in favour of Kepler's theory at the time was that it explained the planets' positions more accurately than previous theories. But 80-90 years later Newton's discoveries in gravity and the laws of motion were used to prove by theory that the planets must move in elliptical orbits.

Related questions

How were the contributions of nicolaus Copernicus and Galileo galilei to the scientific to the scientific revolution different?

Copernicus created the mathematical theory to prove that the Sun, not the Earth, was the centre of our solar system. Galilei provided the calculations and observations to prove Copernicus' theory.


Who was Galileo and what did he do How did he prove the heliocentric theory?

He was an Italian scientist of the 17th century. He did not prove the heliocentric theory. But everyone accepts the heliocentric principle now, after it was proved right; but that happened long after Galileo's time, after new scientific discoveries in the latter half of the 1600s.


Why did newton prove Galileo's theory?

Newton explained his theory


Compare the theory of Galilei to Copernicus what observation you meet?

Galelei derived his theory from Copernicus. To Copernicus it was just a theory. Galilei managed to prove it when he invented the telescope and was able to see the moons orbiting Jupiter.


Can future testing can prove a scientific theory to be incorrect?

yes it can prove ....


Why did Galileo Galilei discover that Jupiter has four moons?

Before Galileo observed that Jupiter had moons of its own, the prevailing theory in astronomy was that everything in the universe revolved around the Earth, a philosophy known as geocentrism.In 1610, Galileo trained his newly-invented telescope upon Jupiter, and observed what he at first called 'fixed stars' orbiting around it. This direct evidence that not everything revolved around us after all was the first large crack in the geocentric theory, and major evidence of Copernicus's competing theory of heliocentrism: that planets and their moons revolve around the sun instead.


What year did Galileo prove the Aristotle theory wrong?

Galileo challenged Aristotle's belief that heavier objects fell faster than lighter ones.


Who developed a stronger telescope and was able to prove that Ptolemy's theories about the moon were wrong?

Galileo Galilei constructed telescopes to conduct his observations. He also disproved the Ptolemaic model.


What scientific theory was used to prove air takes up space?

Atomic theory


Is future testing prove a scientific theory to be incorrect?

yes it can


How did Galileo help prove that Copernicus' theory about the solar system was right?

He didn't know it, he just brought out a new theory that showed that with the Sun at the centre the planets' paths could be explained more simply. That was in 1543 and Kepler produced another heliocentric theory in 1609 which had the planets moving in elliptical orbits round the Sun. The only thing in favour of Kepler's theory at the time was that it explained the planets' positions more accurately than previous theories. But 80-90 years later Newton's discoveries in gravity and the laws of motion were used to prove by theory that the planets must move in elliptical orbits.


What invention used by Galileo helped prove Copernicus theory that the earth revolves around the sun?

The astronomical telescope.