Across
- 6. get
- 7. the things you know
- 9. get somewhere
- 10. if a species ..., they live; they are (t)here
- 11. revolve around sth
Down
- 1. only see it/him at night
- 2. discover
- 3. there are eight of them in our solar system
- 4. includes all galaxys, stars, planets etc.
- 5. when sth isn't confirmed, and a bit unbeliefable
- 8. also known as "blue planet"