THE universe

THE universe

1. Astronomical objet

   • stars
   • meteors
   • planets
   • satellites
   • comets
   • asteroids

2. The solar system

   • in the Milky Way
   • the sun
   • 8 planets

3. The earth

   • 2 movements
     • rotation
       • 24 hours
       • around its axis
     • revolution
       • 356 days
       • around the sun
   • internal layers
     • crust
     • mantle
     • other core
     • inner core
   • atmosphere
     • troposphere
     • stratosphere
     • ionosphere

4. galaxies

   • Milky Way
     • our galaxy
   • contain astronomical stars
   • different shapes
     • elliptycal
     • irregular
     • spiral