PLANET B

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Across
  1. 1. Our home planet?
  2. 3. Object to help see the stars?
  3. 5. How we find out more about space?
  4. 7. What we do when we look at the night sky?
  5. 9. The big...?
  6. 11. When a star explodes?
  7. 13. The largest of our neighbouring planets?
  8. 14. Where stars are born?
  9. 15. Where we can observe the universe from?
  10. 16. A collection of planets orbiting a star, a ... System?
Down
  1. 2. How we sent man into space?
  2. 4. The cosmos and everything in it?
  3. 6. Our closest star?
  4. 8. First man in space, Yuri...?
  5. 10. US Mission to the moon?
  6. 12. The study of the Cosmos?