THE UNIVERSE

THE UNIVERSE

1. THE SOLAR SYSTEM

   • PLANETS
     • GAS
       • Jupiter
       • Uranus
       • Neptune
       • Saturn
       • Large in size and composed of gases and ice
     • ROCKY
       • Mercury
       • Venus
       • Earth
       • Mars
       • Small in size and composed of rocks and metals
   • CELESTIAL BODIES
     • average star
       • red giant
         • planetary nebula
           • white dwarf
     • massive star
       • red supergiant
         • supernova
   • Created 4.600 millions years ago

2. ORIGIN

   • The big bang theory
   • Created 13.700 millions years ago
   • Massive explosion
   • Expanding at a very high speed

3. GALAXIES

   • made up of
     • stars
     • gases
     • planets
     • dust held together by the force of gravity
   • types
     • elliptical
     • spiral
     • barred spiral
     • irregular
   • clusters
     • superclusters

4. ASTEROIDS

   • ASTEROID BELT
     • Between Mars and Jupiter
   • KUIPER BELT
     • Beyond Neptune
     • From where most of the comets and meteors come from