Oral Presentation

1. The Galileo Galilei telescope
by Franco Villegas

2. Galileo Galilei was very
important to modern science.
He is called the father of the
modern astronomy.
One of his most famous
invention was the telescope.

3. He made his first telescope in 1609. A few months later
he created a new telescope that could magnify objects
twenty times.

4. With this new telescope he was able
to look at the moon, discover the four
satellites of Jupiter and verify the
phases of Venus

5. Before Copernic's
theory, people
believed the sun
revolved around
the earth.

6. Galileo proved
that the earth
and other planets
revolve around
the sun.

7. The end
Directed by Franco Villegas
Special guest Galileo Galilei