Across
- 6. a celestial human made thing floating in orbit
- 9. Dwarf planet in solar system
- 12. Collection of stars
- 13. Tiny piece of anything
- 14. Every that exists everywhere
- 15. A person who goes to space
Down
- 1. a person who knows a lot science
- 2. Planet in solar system
- 3. a celestial body moving in an elliptical orbit around a star
- 4. A small rocky body
- 5. Amount of temperature
- 7. A natural electrical phenomenon
- 8. Very hot star
- 10. the curved path of a celestial object around a star
- 11. Vehicle used for traversing space