Across
- 5. a galaxy
- 7. a dirty snowball
- 8. A timetable with celestial coordinates
- 9. when a celestial body crossed the meridian
- 10. a type of telescope
Down
- 1. Latin for cloud
- 2. second full moon
- 3. illuminated piece of the moon
- 4. north-south line
- 5. faint streak of light caused from a small piece of matter
- 6. a measure of an orbit