Across
- 3. Frozen leftovers from the formation of the solar system
- 7. The Earth is at the center
- 10. Small, rocky objects that orbit the sun
- 11. Complete or partial obscuring of a celestial body by another
Down
- 1. The revolving of one object around another in an oval shaped path
- 2. Device to demonstrate the Earth's rotation
- 4. Physical entity that exists in the observable universe
- 5. A group of stars that looks like a particular shape
- 6. Distance above sea level
- 8. A system of billions o stars, together with gas and dust
- 9. The center of interest or activity