Across
- 3. Armstrong The first man to walk on the moon
- 4. Americas space agency
- 8. Instrument used to observe the stars
- 10. Name of the first space mission to land men on the moon
- 11. It takes earth 365 to ____ the sun
- 12. The largest planet
- 13. The hottest planet
- 14. Dwarf planet
- 15. Astronauts landed on the ____
Down
- 1. Planet closest to earth
- 2. Name of the lunar module that landed on the moon
- 5. A person trained to command, pilot or serve as a crew member of a spacecraft
- 6. The first person to use a telescope to study the stars
- 7. The first astronomer to place the sun in the centre of the universe
- 9. A hot ball of glowing gas
- 10. Practice of studying the stars