Space crossword

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Across
  1. 3. A curved path of a spacecraft around a star
  2. 4. the shape of the moons sunlit portion as seen from earth
  3. 6. How big it is
  4. 7. A really hot planet
Down
  1. 1. light up
  2. 2. Visible at night by the light of the sun
  3. 4. A representation of something or someone
  4. 5. A repeated design