Across
- 4. "Spacecraft propulsion" Six
- 5. "Earth's sister planet" Five
- 7. "A cloud of gas and dust in space" Six
- 8. "A system of millions or billions of stars" Six
- 10. "Path of a celestial body" Five
- 11. "A celestial hunter" Five
- 13. "Relating to the sun" Five
- 14. "Saturn's largest moon" Five
Down
- 1. "Icy celestial traveler" Five
- 2. "The red planet" Four
- 3. "A streak of light in the sky" Six
- 6. "Dwarf planet" Five
- 9. "Relating to the moon" Five
- 12. "Our home planet" Five
- 13. "Celestial bodies emitting light" Five