Compitsition of the planets

Compitsition of the planets

1. Saturn

   • Small core
   • Rock and ice
   • Inner mantle of liquid
   • Hydrogen 96%
     • Helium 4%

2. Uranus

   • Small core
   • Rock and ice
   • Outer mantle of liquid
   • Hydrogen 83%
     • Helium 15%
       • Methane 2%

3. Earth

   • Only planet with two part core
   • Solid inner core
   • Both iron nickel
   • Nitrogen 78%
     • Oxygen 21%
       • Argon 1%

4. Mercury

   • Gigantic core
   • Perhaps molten
   • Thin mantle

5. Jupiter

   • Small solid core
   • Inner mantle
   • Outer mantle of liquid
   • Hydrogen 90%
     • Helium 10%

6. Venus

   • Large core
   • Thick mantle
   • Thin rocky crust
   • Dense CO2 atmosphere

7. Neptune

   • Small core
     • Rock
     • Ice
   • Hydrogen 79%
     • Helium 18%
       • Methane 3%

8. Moon

   • Small core
   • Rocky mantel
   • Thick crust

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