Across
- 3. smaller than asteroids appears as a streak of light
- 4. small rocky metallic body that orbits the sun
- 6. belt region beyond Neptune contains comets, dwarf planets and other objects of ice
- 7. an object that orbits the sun
Down
- 1. loose ball of ice and rock
- 2. unit distance astronomers use
- 5. cloud most distant part of our solar system, contains debris left over from formation of solar system