Across
- 3. - Natural satellite that orbits a planet.
- 4. - Celestial body that orbits a star.
- 7. - Object that orbits a planet or star.
- 8. - Person who travels and works in space.
- 9. - Celestial body with a glowing tail.
Down
- 1. - Vehicle used to travel into space.
- 2. - Region of space with gravity so strong that nothing can escape.
- 5. - Large system of stars, planets, and dust.
- 6. - Space rock that burns up upon entering Earth's atmosphere.
- 7. - Luminous celestial body like the sun.