Across
- 4. System of stars, dust, and gas
- 5. Celestial body orbiting a star
- 9. Point closest to the sun
- 12. point farthest from the sun
- 13. Relating to the sun
- 14. Region with strong gravitational pull
- 16. Explosive death of a star
- 17. Path of an object around a star
- 18. Streak of light from a space rock
Down
- 1. Icy body orbiting the sun
- 2. Obscuring of one celestial body by another
- 3. Unit of astronomical distance
- 4. Force attracting objects toward one another
- 5. Highly magnetized rotating neutron star
- 6. Small rocky body in space
- 7. Extremely bright and distant object
- 8. Relating to the moon
- 10. Cloud of gas and dust
- 11. Instrument for observing distant objects
- 15. Universe is seen as a well-ordered whole