SPACE

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Across
  1. 4. milky way shape
  2. 5. the star of the most earth like planet
  3. 9. a galaxy that looks like a Mexican hat
  4. 13. something that can escape a black hole
  5. 14. coldest recorded temperature planet
  6. 15. the twin galaxy of milkyway
  7. 17. where are stars born
  8. 18. largest satellite
Down
  1. 1. which planet's day is longer than a year
  2. 2. comet went past earth in 1986
  3. 3. the pilot of appolo 11
  4. 6. a dwarf planet that lies between mars and Jupiter
  5. 7. sun's dying stage called as
  6. 8. the brightest star
  7. 10. planet with lowest gravity
  8. 11. total number of dwarf planets in our solar system
  9. 12. planet that has volcano 3 times the Everest
  10. 16. once a part of earth