The Earth and its neighbours

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Across
  1. 1. heavenly bodies that reflect their own light
  2. 4. a constellation that looks like a lion
  3. 5. natural satellite of the earth
  4. 6. An instrument used to see the celestial bodies
  5. 8. a fixed path on which the earth goes around the Sun
  6. 9. second planet from the Sun that has life on it
Down
  1. 2. this movement of the earth causes day and night
  2. 3. a dwarf planet which used to be the part of our solar system
  3. 5. smallest planet and also closest to the Sun
  4. 7. The second largest planets with many rings