Across
- 3. celestial bodies primarily composed of rock and metal, characterized by solid, rocky surfaces
- 8. a massive planet, much larger than Earth, primarily composed of hydrogen and helium
- 9. solid piece of debris from an object
- 10. deviation of a curve or orbit from circularity.
Down
- 1. a celestial object consisting of a nucleus of ice and dust
- 2. a unit of length used in astronomy to measure distances within the solar system
- 4. a celestial body resembling a small planet
- 5. a closed curve that describes the shape
- 6. a small body moving in the solar system
- 7. a ring-shaped region in space where many celestial objects are concentrated