A small description about our own universe. Excuse for my english, 'cause it is not very well!!

1. The Our Millenary
Universe
By Chiara R.

2. … The Universe was formed by a big
explosion “The Big Bang”

3. The birh of our sistem Started
about 5 billion years ago…

4. It was composed by helium and
hydrogen, and suddenly ( maybe for a
supernova’s collision’s wave ) , It became a
big vortex, whit an hot and a denses nucleus

5. …And with the continuous collisons
between dust’s granules, the planets
were formed

6. This is our sistem today… It’s formed by the
Sun, Mercury, Venus, Earth,Mars, Jupiter, S
aturn,Uranus, Neptune and Pluto

7. This is the sun, the our
star: It’s the principal
source of energy. Whitin
there are continuous fusion
between Hidrogen for the
production of Helium.

8. First Kepler’s Law

9. Second Kepler’s Law

11. Newton’s Law

12. Comets: large balls of snow who travel in
the universe. They are concentrated in the
Oort cloud or in the Kuiper belt

13. Motions of the Earth

14. Venus

15. Mercury

16. Moon

17. Jupiter

18. Saturn

19. The Uranus’ Rings

20. Neptune

21. Pluto

22. "From up here the earth is
beautiful, without borders or
boundaries. »
(Yuri Gagarin )