A basic description of the universe and the solar system.

1. THE UNIVERSE

3. The UNIVERSE includes planets,
stars,
solar systems,
and galaxies.

4. After the Big Bang the universe was created.
The Big Bang was a very big explosion.

6. .
Stars are huge balls of gas

7. - A constellation is a group of stars which make an imaginary shape, for
example: The Great Bear.
- A galaxy is an enormous system of stars, dust and gas.

9. Esta foto de Autor desconocido está bajo licencia CC BY

15. PLANETS

17. INNER PLANETS
OUTER PLANETS
SATELLITES
We can divide the plantets in two groups:

20. •Asteroids are giant
pieces of rock and metal.
•Meteorids are small
pieces of asteroids and
comets. They are made
of rock and metal.
. Comets are big balls
made of ice and rocks.