Wordbrain Themes Specialist Space Level 1
Answer: Galaxy, Rocket
Wordbrain Themes Specialist Space Level 2
Answer: Planet, Nebula
Wordbrain Themes Specialist Space Level 3
Answer: Jupiter, Orbit
Wordbrain Themes Specialist Space Level 4
Answer: Gravity, Comet
Wordbrain Themes Specialist Space Level 5
Answer: Moon, Earth, Sun