Across
- 4. search for unknown parts of the universe
- 5. search for unknown things in nature
- 8. search for unknown travel routes
- 12. helps show the way
- 13. the study and practice of map making
- 14. all of space, time, matter, and energy
Down
- 1. act of exploring an unfamiliar area
- 2. uses stars to help find their way
- 3. a massive system consisting of stars
- 6. exchanging goods to one another
- 7. finding something out
- 9. the world’s second-largest continent
- 10. exploration of eastern europe and china
- 11. learning something new