Across
- 5. A gas giant larger and denser further from the sun
- 6. icy body that releases gas and dust, forming a tail when near the Sun
- 8. a piece of rock or metal that burns up in a planet's atmosphere
- 9. a really rocky planets smaller and denser and normally closer to the sun
Down
- 1. small, rocky bodies that primarily orbit between Mars and Jupiter
- 2. a sphere surrounding the solar system with orbiting rocks and ice
- 3. a region beyond Neptune filled with small icy bodies
- 4. smaller planets not classified as an actual planets
- 7. a natural satellite of a planet, dwarf planet, or other small body