Across
- 2. Dwarf planet once considered the ninth planet
- 3. The Red Planet
- 5. Asteroid or minor planet
- 9. Giant red star in Orion constellation
Down
- 1. Cloudy cosmic object, a stellar nursery
- 3. Earth's natural satellite
- 4. Large crater on a celestial body
- 6. Closest star to Earth
- 7. Rotation of a celestial body
- 8. Unit of distance in astronomy (abbr.)