Across
- 4. when either the moon or the sun pass over each other
- 5. an expert in astronomy
- 9. a large rock orbiting a star
- 10. a line that runs through the earth titling it
Down
- 1. the location above the earths atmosphere
- 2. the investigation of unknown regions
- 3. the only dwarf planet in our solar system
- 6. meteoroid that has entered the earths atmosphere
- 7. the act of spinning on an axis
- 8. the third planet from the sun