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Galileo

This category is for questions about Galileo Galilei, who was a substantial contributor to various fields of science and philosophy; continuing to be the "father" of many academic subjects today.

1,167 Questions

Which statement describes the controversy by Galileo's heliocentric theory?

Galileo did not propose a heliocentric theory, he agreed with Copernicus and his heliocentric theory.

The Catholic church, at the time, disagreed and they held a huge amount of power and put him on trial.

How did data gathered using Galileo's early telescope support the helioentric model?

None of it but Galileo's discoveries with the telescope were very important in raising questions about the old Ptolemaic theory, which was geocentric.

However Galileo's discovery of Venus's phases was not a proof of the heliocentric principle because Tycho produced a geocentric model that explained Venus's phases.

How did Galileo made a difference?

He made a big difference by challenging old accepted theories and making important discoveries in astronomy and dynamics.

Maybe his most important discovery was the moons of Jupiter, the first time any objects had been seen that definitely did not orbit the Earth. This encouraged Galileo to take up the Copernican heliocentric theory which has the Sun at the centre of the local system of planets known as the Solar System.

Science did not fully demonstrate the accuracy of the heliocentric theory until the 19th century but Galileo's important contribution was to stimulate the debate.

His disagreement with the catholic church was taken up by protestant propagandists, which did nothing for the quality of the scientific debate, but gradually the heliocentric theory became universally accepted by the first half of the 19th century.

Why was the Catholic Church angered by the findings of Copernicus and Galileo?

They were not angered by the conjectures of Copernicus and Galileo, but they were displeased with Galileo trumpeting that the heliocentric principle with the Sun at the centre was the absolute truth, without enough evidence in the church's opinion, and writing a book that ridiculed the Pope.

In court Galileo was asked for proof and after being unable to provide it he recanted and was let off with a light sentence.

However in the following centuries more evidence piled up and a new and accurate dynamic model of the solar system, which had the Sun at the centre, was devised by scientists including Newton and Lagrange.

During Galileo's lifetime there was not enough evidence so he was wrong in the light of knowledge as it stood during his lifetime, but the principle was later generally accepted.

Galileo in his early years had supported the geocentric theory with the Earth at the centre, arguing that the 'fixed' stars showed no apparent movement as the Earth supposedly travelled round the Sun, therefore the Earth must be fixed. This point was not answered until 1838 when Bessel measured the parallax of a nearby star that moved a very small amount in time with the Earth's progress round the Sun. Thus it took until the 19th century for techniques to be discovered that could observe the very slight movements of nearby stars and this was the killer blow for the geocentric theory.

What were 2 of Galileo's greatest accomplishments and why did the Catholic Church react towards him after his ideas were being spread?

Galileo promoted the Copernican model of the planets, with the Sun at the centre. The church told him not to say it was the absolute truth but just to teach it as a theory for predicting the planets' positions, pending more conclusive proof. He discovered things with his telescope that raised doubts about the old Ptolemaic system with the Earth at the centre. The moons of Jupiter were definitely not orbiting the Earth, and the full range of Venus's phases were a major failure of the Ptolemaic theory.

Galileo maintained this must prove that the Copernican theory must be right: but Tycho produced a model with the Earth at the center that correctly predicted the full range of Venus's phases.

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

Galileo used more advanced technology to find stronger observational evidence than Copernicus was ever able to provide.

Why Galileo's thought experiment about the ball rolling forever on a level surface could only be a thought experiment.?

Schrödinger's exp involved a cat placed inside a box w/ a vial of poisonous gas, released when an radioactive atom decays. Awnser by Jake Henderson

Why was Galileos idea considered so unusual at that time?

Beacause people thought that the Earth was the middle of the universe, not the sun.

When was Galileo Chini born?

Galileo Chini was born in 1873.

Who was Galileo's wife?

Galileo had no wife, but did have a mistress named Marina Gamba. Galileo also had 3 kids named Loretta, Jade, and Nina.

Is there a synonym for atmosphere probe?

Atmospheric probe is a commonly used term, and there are no widely recognized synonyms for it. However, you could use terms like atmospheric sensor or atmospheric instrument to refer to similar devices used for studying the atmosphere.

Is The Starry Messenger a book?

There is a picture book by Peter Sis called Starry Messenger: Galileo Galilei.

Who supported the idea of heliocentric?

Nicolaus Copernicus is the astronomer who proposed the heliocentric model of the solar system in which the Earth and other planets revolve around the Sun. His work "De revolutionibus orbium coelestium" was published in 1543.

What character traits did Galileo Galilee have?

Galileo was stubborn,curious, and a truescientist. His stubborness led him to trouble with the church. Once he told the church about his Copernicus theory (the theory the earth revolved around the Sun) people called him absurd. Yet he still argued with the ideas beyond beliefs of the Roman Catholic Church.

Galileo was also curious. He was a true scientist and tried to understand the world through experiment and observation. Very talented. Such as the experiment he tried with the Leaning Tower of Pisa.

What truth was discovered by Galileo that is depicted burning in the fire with him?

Heliocentrism is the "truth" discovered by Galileo that is depicted burning in the fire with him. Heliocentrism is the idea that Earth and the other planets in our galaxy revolve around the Sun. The fire in the picture represents the sun, with the surrounding people representing the planets and the Earth's moon. Hope this helped!

What state of motion did Aristotle attribute to the Earth?

Aristotle believed that the Earth was the center of the universe and that it was at rest while the celestial bodies moved around it in perfect circular motion. This geocentric model was a central part of Aristotelian cosmology.

How many times did Galileo's telescope magnify?

Galileo's telescope initially magnified objects about 20 times. Later improvements allowed him to achieve magnifications of up to 30 times. His advancements in telescope design significantly contributed to astronomical observations and discoveries, such as the moons of Jupiter.