Across
- 2. A precious metal, often used in jewelry
- 4. The path of an object as it revolves around another
- 10. Pertaining to orbits
- 11. Relating to the Earth
- 13. Relating to the equator
- 14. A large, spherical celestial body
- 15. A group of stars forming a recognizable pattern
Down
- 1. Celestial bodies that orbit a star
- 3. Distance between two points
- 5. Imaginary line around the Earth equidistant from the North and South Poles
- 6. Position of a celestial body
- 7. Height above sea level
- 8. Apparent path of the Sun across the sky
- 9. Relating to the stars
- 12. The study of celestial objects