Across
- 5. tiny bits of rock falling from space
- 7. orbits the sun in our solar system
- 8. decided how our days would be divided up
- 11. type of shadow that is cast in the summer
- 13. what do we use to tell time and schedule events in our lives
- 14. group of stars forming a pattern in the sky
- 17. season when the sun is at its highest point in the sky
- 18. the curved or circular path of an object around a star
- 19. planets that aren't really stars at all
- 20. the force that pulls objects toward the Earth's center
Down
- 1. different shapes the moon takes over a month
- 2. constellation of the "hunter" in the sky
- 3. changed people's minds about the solar system
- 4. season when the sun is at its lowest path in the sky
- 6. number of hours in a day
- 9. the imaginary line on which Earth rotates
- 10. the circular turning of the Earth on its axis
- 12. type of shadow that is cast in the winter
- 15. planets that orbit a start outside our solar system
- 16. month of the first landing on the moon