Across
- 2. – Orbits a planet
- 5. – Massive system of stars
- 8. – Orbits planets or stars
- 12. – Star at the center of our solar system
- 13. – Space-faring vehicle
- 14. – Small rocky body in space
- 15. – Vehicle to reach space
Down
- 1. – Person trained to travel in space
- 3. – Cloud of gas in space
- 4. – Measure of astronomical distance
- 6. – Collapsed star with immense gravity
- 7. – Orbits a star
- 9. – Shooting star
- 10. – Path of a planet around a star
- 11. – Icy body glowing near the sun
- 12. – Vast void beyond Earth