Amazing Space

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Across
  1. 4. A thing in which stars are born
  2. 6. First person to play golf on moon
  3. 8. Constellation in which Sirius is found
  4. 11. Saturn probe
  5. 13. Only planet not named after a god
  6. 14. Voyager of Saturn
  7. 15. Newton's theory of end of universe
  8. 16. A star
Down
  1. 1. Found water puddle on Mars
  2. 2. Opposite of matter
  3. 3. Taking help of gravity of a planet
  4. 5. Most accepted theory end of universe
  5. 7. First space craft to go beyond the solar system
  6. 9. An idea of infinite existent universes
  7. 10. A star and Harry Potter Character
  8. 12. Super cluster in which Milky Way is found