Across
- 2. the law in which each planet's orbit about the Sun is a deformed circle or an ellipse.
- 4. inward force that causes an object to move in a circular path
- 6. a small body from which a planet originated in the early stages of development of the solar system
- 8. planets formed from the collisions and mergers of rocky planetestimals
- 9. the cloud from which the solar system is formed
Down
- 1. planets that formed in the outer disk and have rocky or metallic cores and deep atmospheres of gas and ice
- 3. where the central star, our sun, is formed
- 5. the path that a body follows and it travels around another body in space
- 7. a force of attraction between objects that is due to their masses and their distances between them