The Universe (Sources (Jeffrey Bennett. "A Changing View of the…
, GALILEO'S TIMES KNOWLEDGE:
At the times of Galileo, it was believed that the Earth was at the center of the universe and that the Sun rotated around it.
, SHAPE OF THE EARTH:
The shape was believed to be flat.
, WHAT DID GALILEO KNOW ABOUT STARS?
Galileo wanted to demonstrate the number of stars that existed by representing them with a drawing. He decided to represent two entire constellations: Orion and the Pleiades
but he observed that the Orion one was too big so he only sketched a part of it.
, THE STRUCTURE OF UNIVERSE is:
(from the center) Earth, all the planets around, with Moon and Sun, stars and the Heaven and the Hell.
, SHAPE OF THE EARTH : Today we know that the shape of the earth is not flat, but round.
, THE MOON:Today we know that the moon is a satellite,and not a planet; and reflects the light of the sun.
, THE STRUCTURE OF UNIVERSE: The Sun is in the center of our galaxy, The Milky Way, around it there are the planets, in the order by the Sun there is Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, Neptune and Pluto.
, TODAY'S KNOWLEDGE:
Today we know that the Earth and all the other planets rotate around the sun , which is in the center of our solar system.
, WHAT WE KNOW ABOUT STARS TODAY?: we know that there are approximately 400 billion stars. They have "life" divided in precise moments in which the stars change not only their aspect but also their inside part.
, THE MOON:
The Moon was believed to be a planet.
, GALILEO'S KNOWLEDGE ABOUT PLANETS: -Saturn
-Sol (the Sun) :red_cross:
, OUR KNOWLEDGE ABOUT PLANETS:
We know 4 more planets than Galileo knew.