Across
- 2. Cloud of gas and dust in space, often a star-forming region
- 4. Distance light travels in one year
- 5. When one celestial body obscures another
- 7. Related to the sun
- 10. A natural satellite of Earth
- 11. Small rocky body orbiting the sun
- 13. The red plane
- 14. large system of stars, gas, and dust
Down
- 1. A large cloud of gas and dust in space
- 3. Unmanned spacecraft sent to gather information
- 6. celestial body orbiting a star
- 7. The closest star to Earth.
- 8. The study of celestial objects and the universe
- 9. The universe seen as a well ordered whole
- 10. A celestial body that orbits a planet
- 12. A celestial body that emits light and heat