Night Sky

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Across
  1. 7. A scientist who studies celestial bodies
  2. 8. The blocking of one celestial body by another
  3. 10. Points of light visible at night
  4. 11. Earth's natural satellite
  5. 12. A cloud of gas and dust in space
  6. 13. An object orbiting a planet or star
Down
  1. 1. A group of stars forming a pattern
  2. 2. A small body of matter from outer space
  3. 3. A system of millions or billions of stars
  4. 4. A tool for observing distant objects
  5. 5. A celestial object with a nucleus of ice
  6. 6. The galaxy containing our solar system
  7. 9. Large celestial bodies orbiting the Sun