Across
- 4. A disc like region at the outer ends of the Solar System containing millions of comets.
- 6. A spherical region surrounding the Kuiper Belt and Sun made up of Comets.
- 7. Small objects made of ice and dust that orbit the Sun
- 9. irregularly shaped chunks of rock in space
- 10. Most solid and central part of a Comet
Down
- 1. Region between Mars and Jupiter where most asteroids are found orbiting the sun
- 2. Rocks that enter a planets atmosphere without being burned and crashing
- 3. Small pieces of rock that can range from a grain of dust to 1 meter rocks
- 5. When Comets face solar radiation, they spew gasses that extend for thousands of miles.
- 8. When a rock enters a planets atmosphere and burns causing a streak of light