Astronomy

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Across
  1. 2. A system of millions to billions of stars
  2. 4. When the Earth is at the center of a solar system model
  3. 6. The area of total shadow
  4. 7. The displacement of an object relative to its background
  5. 8. Composed of rock and metad and located between mars and jupiter
  6. 10. Composed of ice
Down
  1. 1. A group of stars that form a identifiable pattern
  2. 3. The compass angle from north to a celestial object
  3. 5. Outermost layer of the sun
  4. 9. Portions of the sun that are cooler than the surrounding area