Quantaword

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Across
  1. 1. Device to scrutinise the sky
  2. 3. tunnel through space time
  3. 5. hottest planet in solar system
  4. 6. related to galaxy
  5. 8. first man on moon
  6. 10. a rock with a tail
  7. 11. first man in space
  8. 12. biggest planet in solar system
  9. 13. person who goes to space
Down
  1. 2. first artifical satellite
  2. 4. astronomical model
  3. 7. rocky mass orbiting sun
  4. 9. the final stage of a star's life