THE UNIVERSE. 
THE SOLAR SYSTEM.
Quiz (by Juan Luis Serrano Pedrosa).
Jupiter.
- Terrestrial planet.
- Gas giant.
Mars.
- Terrestrial planet.
- Gas giant.
Neptune.
- Terrestrial planet.
- Gas giant.
Mercury
- Terrestrial planet.
- Gas giant.
Saturn.
- Terrestrial planet.
- Gas giant.
Uranus.
- Terrestrial planet.
- Gas giant.
Earth.
- Terrestrial planet.
- Gas giant.
Venus.
- Terrestrial planet.
- Gas giant.