SOLAR SYSTEM

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Across
  1. 4. the star at the centre of the solar system
  2. 5. earth's only natural star
  3. 7. smaller bodies in the orbit around the sun
  4. 8. saturn's natural satellite
  5. 9. the comet that is seen every 76 years
  6. 10. the planet found at last
  7. 12. this planet found 716 planets
Down
  1. 1. morning star
  2. 2. it is a dwarf planet in the solar system
  3. 3. the largest planet in the solar system
  4. 4. this was formed 4.6 billion years ago
  5. 6. the distance traveled by light in a vaccum in one tropical year
  6. 10. mission pluto's space shuttle was launched this many years ago
  7. 11. the blue planet