Across
- 3. A hard, shiny material
- 6. A bright light in the sky at night
- 7. A tool to see far things in space
- 9. All space, stars, and planets
- 10. A being from another planet
- 12. A round shape
- 14. The air around a planet
- 16. A rock from space that falls to Earth
Down
- 1. A big ball in space that moves around a star
- 2. A vehicle that flies in space
- 4. A person who studies stars and planets
- 5. A group of stars in a shape
- 8. The big star that gives us light and heat
- 11. A small thing you swallow as medicine
- 13. Something you hope for
- 15. The planet we live on