Across
- 2. Someone from another planet
- 5. A person who explores the stars/space
- 8. A boat that travels under water
- 10. Everywhere, always present
- 13. A large chunk of ice and dust in space
Down
- 1. The study of the ocean
- 3. The ocean between Asia and America
- 4. The ocean between Europe and America
- 6. A deep underwater valley
- 7. A person who explores the deep sea
- 9. Gathering resources
- 11. National Aeronatics and Space Administration
- 12. Vehicle used for space travel