Asteroids, Meteors, and Comets crossword puzzle

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