The Big Bang Theory, Geocentric, and Heliocentric Models of ..., Exams of Italian

Download The Big Bang Theory, Geocentric, and Heliocentric Models of ... and more Exams Italian in PDF only on Docsity! The Big Bang Theory, Geocentric, and Heliocentric Models of the Solar System The Big Bang Theory We often think of this… In Science, though, this is what we mean… Space Exploration (Write) • In the beginning, people made observations of the Sun, Moon, and the first five planets with their naked eyes. Turn and talk… At night, when you look at the sky, what do you see? During the daytime, when you look at the sky, what do you see? Do you think we would know all we know about space if we still only used our eyes? Geocentric Model of the Solar System (Write) The Ancient Greeks (Ptolemy) tried to explain what they saw in the sky. Because they saw the Sun, stars, and Moon moving through the sky, they believed they were revolving, or orbiting, the Earth. This was the Geocentric Model of the Solar System. Heliocentric Model of the Solar System (Write) With more careful observations and the invention of the telescope, people began to understand that the heliocentric model of the Solar System was accurate. Heliocentric Model of the Solar System (Write) • Let’s break this thing down… – The prefix “helio-” means Sun. – “centric” means centered. – So, heliocentric means sun-centered. Did you know…?? (Don’t write, just listen) • In the 1630s, Galileo (an Italian scientist) published a book that included both the geocentric and heliocentric views. Because the book favored the heliocentric view, Galileo was sentenced to permanent house arrest.