Space

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Across
  1. 1. spinning around an axis
  2. 4. illumination increasing
  3. 7. moon darkened by Earth
  4. 8. act of revolving
  5. 10. illumination of a planet or moon
Down
  1. 2. curved path around a star or planet
  2. 3. imaginary line
  3. 5. sun obscured by moon
  4. 6. force of attraction
  5. 9. system of stars