Across
- 1. Huge system of stars
- 5. A cloud of gas and dust in space
- 8. The sun and it's orbiting bodies
- 14. Our home planet
- 15. An exploding star
- 16. The universe
- 18. A small rocky body orbiting the sun
- 19. Someone who travels in space
Down
- 1. Force pulling objects together
- 2. Earth's natural satellite
- 3. Icy body with a tail
- 4. A hot, glowing ball of gas
- 6. Someone who studies the stars
- 7. Large body that orbits a star
- 9. A spacecraft where astronouts live
- 10. Object that orbits a planet
- 11. A tool to see distance space objects
- 12. A space area with super strong gravity
- 13. Path of a planet around a star
- 17. A light streak from a burning space rock