Astronomy Terms

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Across
  1. 4. System of stars, dust, and gas
  2. 5. Celestial body orbiting a star
  3. 9. Point closest to the sun
  4. 12. point farthest from the sun
  5. 13. Relating to the sun
  6. 14. Region with strong gravitational pull
  7. 16. Explosive death of a star
  8. 17. Path of an object around a star
  9. 18. Streak of light from a space rock
Down
  1. 1. Icy body orbiting the sun
  2. 2. Obscuring of one celestial body by another
  3. 3. Unit of astronomical distance
  4. 4. Force attracting objects toward one another
  5. 5. Highly magnetized rotating neutron star
  6. 6. Small rocky body in space
  7. 7. Extremely bright and distant object
  8. 8. Relating to the moon
  9. 10. Cloud of gas and dust
  10. 11. Instrument for observing distant objects
  11. 15. Universe is seen as a well-ordered whole