The Universe

1. Solar System

1.1. Is composed by:

1.1.1. Satelites

1.1.2. Planets

1.1.3. Comets

1.1.4. Asteroids

1.1.5. Meteors

2. The live of a Star

2.1. A star is a large ball of gas which emit energy

2.1.1. Star Nevula

2.1.2. Average star

2.1.2.1. Red giant

2.1.2.2. Planetary Nevula

2.1.3. White graf

2.1.3.1. Other cycle

2.1.3.2. Massive star

2.1.3.3. Super red giant

2.1.3.4. Super nova

3. Earth

4. The planets of the Solar system

4.1. Mercury

4.2. Venus

4.3. Mars

4.4. Jupiter

4.5. Saturn

4.6. Uranus

4.7. Neptune

5. The sun

5.1. The sun is a source of energy for all life on Earth

5.1.1. His layers

5.1.2. Core

5.2. Radiactive an comvective zone

5.2.1. Photosfere

5.2.2. Cronofere

5.2.3. Corona