Across
- 5. – A fictional alternate dimension used for FTL travel.
- 7. – When alien forces arrive with unwelcome intent.
- 11. – The layers of gases surrounding a planet.
- 13. – Earth’s home galaxy, a barred spiral.
- 15. – A region of space with gravity so strong nothing can escape.
- 16. – A being or inhabitant of Mars.
- 18. – To alter a planet to make it more Earth-like.
- 22. – A being or organism originating beyond Earth.
- 23. – Traveling or existing between stars.
- 25. – A theoretical shortcut through space-time.
- 27. – A mysterious pattern often found flattened in fields.
- 28. – A rocky object orbiting the Sun, smaller than a planet.
Down
- 1. – A word relating to the Moon.
- 2. – A structure or outpost built on the Moon.
- 3. – The region between Mars and Jupiter filled with rocky bodies.
- 4. – A recognized pattern of stars forming shapes or stories.
- 6. – Communication or connection with extraterrestrial life.
- 8. – A glowing cloud of gas and dust where stars may be born.
- 9. – A propulsion system enabling rapid space travel.
- 10. – An icy traveler with a bright tail that appears when it nears the Sun.
- 12. – The initial meeting between humans and alien life.
- 14. – A vast system of stars, dust, and gas bound together by gravity.
- 17. – The alleged alien act of taking humans aboard spacecraft.
- 19. – A device used to observe distant objects in space.
- 20. – A device sent into space to gather information.
- 21. – A type of faster-than-light (FTL) travel in sci-fi.
- 24. – Relating to the universe or outer space.
- 26. – The main or largest alien spacecraft.