the topic Asteroid

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Across
  1. 2. - Environment where asteroids exist.
  2. 3. - Event caused by a collision.
  3. 8. - Space-based object.
  4. 10. - Core of an asteroid.
  5. 11. - Surface layer of loose material.
  6. 12. - Path around the sun.
  7. 13. - Composition of many asteroids.
  8. 14. - Russian city impacted by an asteroid in 2013.
Down
  1. 1. - Strategy to divert an asteroid's path.
  2. 4. - Potential hazard in space.
  3. 5. - Smaller precursor to a meteor.
  4. 6. - Region between Mars and Jupiter.
  5. 7. - Proposed future activity on asteroids.
  6. 8. - Dwarf planet in the asteroid belt.
  7. 9. - Study of celestial bodies like asteroids.