Across
- 4. - Vast system of stars, gas, and dust held together by gravity.
- 6. - Mechanical creature designed to perform tasks autonomously.
- 9. - The path a celestial object takes around another.
- 10. - Large-scale arrival of extraterrestrial forces.
- 11. - Vehicle designed for travel in outer space.
- 12. - Instantaneous transportation from one place to another.
- 13. - HumaDirected-energy or robotic enhancements.
- 15. - Genetic change leading to new traits.
- 17. - Time period beyond the present.
- 18. - Suspended in the air without touching the ground.
Down
- 1. - Spacecraft for interstellar travel.
- 2. - Faster-than-light travel method.
- 3. - Short for android, a humanoid robot.
- 5. - Extraterrestrial being from another planet.
- 7. - 3D projected image created with light.
- 8. - Directed-energy weapon in sci-fi settings.
- 12. - A dimension that might be manipulated in science fiction.
- 13. - A genetically identical copy of a living being.
- 14. - High-intensity beam of light used in futuristic weaponry.
- 16. - Unidentified Flying Object, often associated with aliens.