Across
- 2. guardians of the ___
- 3. things you see in the sky at night
- 7. hottest planet
- 9. fifth planet from the sun
- 10. nicolaus coppernicus is a a__ono____r
Down
- 1. name of the first organism in space
- 4. celestial planet seen from earth
- 5. now considered as a dwarf planet
- 6. name of a comet
- 8. the __ race