Across
- 3. The abbrevation for International Space Station
- 6. hottest planet in the solar system
- 8. An Object that helps you look at sky
- 11. Tunnels through spacetime
- 13. First man on the Earth's natural satellite
- 17. Country that launched the first man in space
- 18. Before the Space Shuttle this was used to travel to space
- 19. biggest planet in the solar system
Down
- 1. Neme of the first artificial satellite
- 2. What has a tail?
- 4. A star's explosive finale
- 5. Nemo of the Nicolaus Copernicus discovery
- 7. The red planet
- 9. One name for collection of million of stars
- 10. A force that attracts one object to another
- 12. First month of the summer
- 14. Smallest planet in the solar system
- 15. The English name for Earth's natural satellite
- 16. Name of a person going to space
- 20. Saturn has these