Heliocentrsim

Heliocentrism

A SCIENTIFIC REVOLUTION

Iroise Ribaud

INDEX

Before : Geocentrism

Heliocentrism

First Theories

Major Scientists

Public opinion

Sources

1-Before:

Geocentrism

Ptolemy’s geocentric system dominated scientific thought for 1,400 years.

Heliocentrism

First Theories

Aristarchus of Samos​ 3rd century BC

Philolaus​ 5th century BC

the Earth and other planets moved around a definite central object: the Sun

the Earth = a sphere revolving daily around a “central fire” that regulated the universe

4-Major scientists:

Nicolaus Copernicus

Polish astronomer and mathematician

“On the Revolutions of the Heavenly Spheres” 1543

4-Major scientists:

Johannes Kepler

German astronomer

The Solar System model1609 Kepler's 1st Law -> not circular but elliptical

Mysterium Cosmographicum (The Cosmographic Mystery) 15961st published defense of the Copernican system

4-Major scientists:

Galileo Galilei

Italian astronomer and mathematician

astronomical telescope

The four moons of Jupiter:Ganymede, Callisto, Io and Europa

5-At the time:

Public opinion

The Inquisition banned books & persecuted the thinkers

The Roman Catholic ChurchThe Holy Scriptures "formally heretical"

31 Oct 1992 The Vatican rehabilitates Galileo-> recognised by the Church

22 June 1633 Galileo -> life imprisonment by the Congregation of the Holy Office

THANk you for listening

Sources

Heliocentrism - Wikipedia Johannes Kepler - Wikipedia Heliocentrism | Definition, History, & Facts | Britannica HÉLIOCENTRISME - Index - Encyclopædia Universalis L'Épopée Héliocentrique: De Copernic à Galilée - 🚀 Telescope & Astronomie 🚀 Geocentrism vs. Heliocentrism: Ancient Disputes | Encyclopedia.com