Across
- 3. The place outside of Earth.
- 4. When the Sun goes down.
- 6. The planet we live on.
- 7. The large object going around the Earth.
- 10. The Maya people made this by watching how the Sun, moon, and planets moved.
- 11. The star that is closest to Earth.
- 12. A large object in space that shines light.
- 14. A clock that uses the Sun and shadows to tell time.
- 15. A big building we can use to see stars.
- 18. The blue air above us.
- 19. How hold or cold it is.
- 21. The first month of the year.
- 22. The line where the sky and Earth meet.
- 24. The black thing at the center of a galaxy.
Down
- 1. Someone who studies space.
- 2. There are four: spring, summer, autumn, and winter.
- 5. A small thing we can use to see stars.
- 8. Many stars that make a picture together.
- 9. The biggest planet in the solar system.
- 13. The last month of the year.
- 16. Hours, minutes, and seconds.
- 17. Billions of stars and planets together.
- 18. When the Sun goes up.
- 20. A large object that moves around the Sun.
- 23. How many years are in 365 days?