Across
- 5. a system of many many stars
- 7. light that comes from a star
- 11. how much light travels in one year
- 12. the first few plants and have high density
- 13. a place without matter
- 17. the universe in the shape of the circle
- 18. anything to do with sun
- 19. a body made out of ice that orbits the sun
- 20. the 5th planet from the sun
- 23. a force that pulls you into something
- 25. a place where people stay in space
- 29. a person who goes into space
- 30. when you move around something
Down
- 1. Pluto is now officially a
- 2. the 8th planet from the sun
- 3. the 1st planet from the sun
- 4. the study of space
- 6. the theory that explains everythings start
- 8. the 2nd planet from the sun
- 9. a small rock that goes really fast
- 10. the largest star in our solar system
- 14. small rocks that orbit the earth
- 15. it orbits the Earth
- 16. a large bowl like shape on the ground
- 21. large planets with low density
- 22. when gravity pulls even light
- 24. a space organization
- 26. the planet with rings
- 27. the 4th planet from the sun
- 28. a small matter that enters earth