Across
- 3. The largest planet in our solar system
- 5. A perfect world
- 8. A ship designed to travel space
- 11. Machinery and equipment developed from scientific knowledge
- 12. Everything that ever was, is, or will be
- 16. As if in the future
- 17. An artificial body in space to collect information
- 18. A terrible catastrophe
- 20. Creatures that do not live on earth
Down
- 1. Homosapiens
- 2. A possibly endless emptiness
- 4. Transforming a planet
- 6. Our planet
- 7. An alien spacecraft
- 9. A device that generates a beam of light or radiation
- 10. A machine that can perform tasks
- 13. A terrible world
- 14. A collection of universes
- 15. A non-human robot that acts and thinks like a human
- 19. The closest planet to the asteroid belt