Across
- 2. place where something is
- 4. idea that explains
- 6. system Sun and objects that go around it
- 8. the time when the Sun is in the sky
- 11. the space above Earth
- 12. to go up
- 14. something that happens again and again
- 16. the time when the Sun is not in the sky
- 17. lean to the side
- 18. a big ball of hot light in space
Down
- 1. pull that keeps things together
- 3. parts of the year
- 5. when one object blocks light from another
- 7. many parts that work together
- 9. the object that goes around Earth
- 10. the path something takes as it goes around something else
- 13. a big star that gives Earth light and heat
- 14. the shape of the moon we see from Earth
- 15. to turn around
