Earth + Earth = Mountain
Mountain + Mountain = Mountain Range
Mountain Range + Mountain Range = Himalayas
Himalayas + Earth = Snow
Snow + Snow = Ice
Ice + Fire = Water
Water + Water = Lake
Lake + Water = Ocean
Ocean + Earth = Island
Island + Island = Continent
Continent + Continent = Pangaea
Pangaea + Fire = Lava
Lava + Water = Stone
Stone + Fire = Metal
Metal + Fire = Space
Space + Space = Universe
Universe + Universe = Multiverse
Space + Universe = Galaxy
Galaxy + Galaxy = Black Hole
Black Hole + Space = Void
Void + Space = Nothing
Nothing + Space = Space
Space + Air = Vacuum
Vacuum + Space = Space Station
Space Station + Space = Space
Space + Rocket = Spacecraft
Spacecraft + Space = Space Travel
Space Travel + Space = Space
Earth + Air = Dust
Dust + Fire = Ash
Ash + Air = Smoke
Smoke + Space = Nebula
Nebula + Space = Star
Star + Star = Supernova
Supernova + Space = Space
Space + Time = Spacetime
Spacetime + Space = Warp
Warp + Space = Wormhole
Wormhole + Space = Space
Space + Life = Alien
Alien + Space = UFO
UFO + Space = Space
Space + Tool = Telescope
Telescope + Space = Astronomy
Astronomy + Space = Space
Space + Knowledge = Science
Science + Space = Physics
Physics + Space = Quantum
Quantum + Space = Space
Space + Internet = Internet Space
Internet Space + Space = Cyberspace
Cyberspace + Space = Space
Space + City = Space City
Space City + Space = Space
Space + Human = Astronaut
Astronaut + Space = Space
Space + Rocket = Launch
Launch + Space = Orbit
Orbit + Space = Satellite
Satellite + Space = Space
Space + Energy = Vacuum Energy
Vacuum Energy + Space = Dark Energy
Dark Energy + Space = Space
Space + Dark Matter = Universe
Universe + Space = Cosmos
Cosmos + Space = Space
Space + Galaxy = Milky Way
Milky Way + Space = Space
Space + Sun = Solar System
Solar System + Space = Space
Space + Moon = Eclipse
Eclipse + Space = Space
Space + Planet = Planetary System
Planetary System + Space = Space
Space + Infinity = Infinite Space