Across
- 2. Fine grains of fluff or rock powder
- 4. A repeated line of things
- 5. The sun is one
- 9. How many years it takes for light to reach
- 10. A group of stars
- 11. A detachable "rocket" on NASA's space shuttle rocket
- 13. Light formed by cosmic dust
- 15. A drawing to label something
- 18. A smaller asteroid
- 19. When celestial bodies meet it causes this
- 20. How big something is, compared to others
- 23. The science of studying planets
- 24. What something radiates
- 25. A small satelite
- 26. A type of orbit
Down
- 1. What Issac Newton discovered
- 3. A very large group of galaxies
- 4. A very large rock in space
- 6. A big probe
- 7. From space
- 8. Which direction and tilt that a planet revolves around
- 12. A un flammable gas used to make hydro power
- 14. What the air is like
- 16. A very large group of solar systems
- 17. When a planet revolves around the sun once.
- 18. What comes out of a cow's bottom that is a gas
- 21. A very small rock from space
- 22. A set of things working together
- 27. What killed "all" of the Dinosaurs