ENIGMA 3.0

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Across
  1. 1. First country to reach outer space
  2. 3. The brightest star in the visible sky.
  3. 5. The star of ____ directed the wise men to Jesus.
  4. 6. I appear in the sky after every 75-76 years.
  5. 8. Largest moon in solar system
  6. 12. A passage between the parallel universes
  7. 13. In the "middle" of the Earth, Moon and Sun
  8. 15. The Mars is red due to X oxide.
  9. 16. The first "Indian" on Moon.
  10. 17. The coldest planet in the solar system.
  11. 18. Home planet of Thanos.
  12. 19. I am the literal 'teacher' of all the planets.
  13. 21. The messenger god of Romans
Down
  1. 2. A son of Lord Surya
  2. 3. Author of "A brief history of time
  3. 4. The number of horses in Surya's chariot
  4. 7. Name of NASA missions on Moon
  5. 9. The Roman God of Sea.
  6. 10. The great bear in the sky
  7. 11. Girls are from ______, boys are from Mars.
  8. 14. Constellation named after a hunter in Greek Mythology.
  9. 20. A disney character