Across
- 5. other element created in the big bang
- 6. force that creates solar nebula's
- 7. closest planet to the sun
- 8. Event that created the universe
- 9. only planet in the solar system with known life
- 11. Celestial bodies that created other elements beside hydrogen and helium
- 12. Solar nebula starts as dust,___,and ice.
- 13. process that helps create planetesimals
- 14. only other body beside earth with active volcanoes
Down
- 1. largest planet in the solar system
- 2. rotating disk of dust and gas put together by gravity
- 3. early solar system made up of dust,gas,and ice
- 4. coldest planet in the solar system
- 5. law that states galaxies are moving away from each other
- 10. one of the two first elements created in the big bang