Across
- 2. the hottest planet in our solar system
- 3. the third planet from the sun
- 4. occupant of Sputnik 2
- 6. planet with rings around it
- 7. name of man who first walked on the moon
- 9. country that first launched a man in space
- 10. name of our galaxy
Down
- 1. largest planet in our solar system
- 3. number of planets
- 5. sound of Space
- 6. the brightest star in the sky
- 8. planet closest to the sun
