Josh Space science

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Across
  1. 4. The most famous dwarf planet
  2. 5. The imaginary line a planet spins on
  3. 8. The moon's gravitational pull causes this
  4. 10. The closest cluster of asteroids
  5. 15. It is made of ice and dust particles and left by a rocky object
  6. 17. It is what a black hole is because it sucks up light
  7. 18. Causes meteors to fall to earth
  8. 19. The hottest planet in our solar system
Down
  1. 1. Our closest sattelite
  2. 2. An object with a gravity so great light can't escape it
  3. 3. The farthest Cluster of Asteroids
  4. 6. A cloud of gas an dust
  5. 7. This causes black holes to happen
  6. 9. Gives us energy
  7. 11. The reason we always see the same side of the moon
  8. 12. A small rocky object orbiting the sun
  9. 13. The largest planet in our solar system
  10. 14. The path a planet follows
  11. 16. The hottest type of sun