Across
- 3. something that keeps us on Earth
- 4. a red planet we are currently exploring
- 7. it was once a planet now it isn't
- 8. 4th smallest planet
- 12. the planet we are on and exploring
- 13. what the milkyway is
- 14. someone who studies astronomy
- 17. the second biggest planet
- 18. the name of the first dog in space
- 20. spell rats backwards
Down
- 1. a dwarf planet but is in the Kuiper belt
- 2. something that splits us from space
- 5. what our galaxy is
- 6. something that has an eclipse
- 9. naughty annoying stupid aliens(initials)
- 10. a planet that is also a joke (it's name)
- 11. the smallest planet
- 15. our main light source
- 16. the biggest planet
- 19. someone who predicts mundane events