Astronomy Crossword

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Across
  1. 1. The shape of the moon´s sunlit portion as viewed from Earth
  2. 6. Greater than a semicircle, less than a circle
  3. 7. An imaginary line which something rotates around
  4. 9. Each of the 4 divisions of the year
  5. 10. The orbit of one object around another
Down
  1. 2. Longest & shortest days on Earth
  2. 3. The action of spinning on an axis or center
  3. 4. The date when the sun crosses the equator; equal day and night
  4. 5. A sloping position or movement
  5. 8. The shape of a waxing or waning moon