En cours de chargement...
We have summarized the essential of this book by the author. Galileo meets Andrea, an 11-year-old boy. Andrea holds up a large wooden model of the Ptolemaic system. Galileo explains that it is an "astrolabe", a device that shows how the stars rotate around the Earth, in the opinion of the Aristotelians. Andrea observes that in the middle there is a small stone that represents the Earth, with eight rings around it, which are the glass spheres.
Balls have been attached to the rings, which are the stars or stars. Walls, rings and immobility: for 2000 years man believed that the Sun and all the stars in the sky turned around him. But Galileo hesitates, listens to rumors about the discovery of new continents, and is interested in explaining the cause of things: why the stone falls when it is released and why it rises when it is thrown upwards.
What the Bible and the books of Aristotle say no longer works. Now man must claim to see things for himself and not for what they tell him. Galileo will say that the Earth revolves around the Sun, that the universe has lost its center.
