Across
- 4. Collection of planets, moons, and the Sun.
- 7. Length of time for Earth to orbit Sun.
- 9. The planet on which we live.
- 10. Earth____ or spins on its axis.
- 11. Earth's rotation results in ___ and night.
- 12. Used to collect information about space.
- 13. Earth's natural satellite.
Down
- 1. A measure from side to side.
- 2. Length of time for the Moon to orbit Earth.
- 3. Collection of dust,gas, and stars.
- 5. The only star in our solar system.
- 6. What is the Sun?
- 8. The Moon____ or orbits around the Earth.