Sci-fi space puzzle 🪐

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Across
  1. 4. Dwarf planet
  2. 5. Humans use to fly to space
  3. 10. Signals to Earth from place to place
  4. 13. Planet spins on side
  5. 15. what are the people called who visit space
Down
  1. 1. Takes a month to orbit the earth
  2. 2. Our galaxy
  3. 3. Biggest planet
  4. 6. Halloween is also known as
  5. 7. What planet is after earth
  6. 8. What is Earths twin planet
  7. 9. When flowers bloom
  8. 11. giant balls of hot gas
  9. 12. what is the largest star in our solar system
  10. 14. After summer