Across
- 3. What is the theory of the origin of the solar system?
- 5. What is the largest terrestrial planet?
- 6. As the solar nebula collapsed, it became a ___
- 7. The largest planet in the solar system is ______
- 8. As the solar nebula collapsed under its own gravity, it ______ (relating to tempature)
- 10. What are groups of matter smaller than plantes called?
- 13. What reaction is in a star creating larger atoms?
- 14. The most commonly known planet with a ring is ____
Down
- 1. What effect caused everything?
- 2. What force brings together matter to create planets.
- 4. What is the time interval used to measure the Big Bang?
- 6. What causes the acceleration of the expansion of the universe?
- 9. What was the first atom?
- 11. How many planets are in the solar system?
- 12. What is the smallest planet in the solar system?