Spaced Out

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Across
  1. 5. First man in space Yuri
  2. 7. Creator of John Carter of Mars also invented this character
  3. 9. She wrote Frankenstein
  4. 11. First man on the moon
  5. 12. Paranoia-laden TV series, The X ____
Down
  1. 1. Song by David Bowie; also the title of a movie
  2. 2. First artificial satellite
  3. 3. What the moon is to the Earth
  4. 4. Sci-fi noir movie with Harrison Ford, Blade ____
  5. 6. Robert A. Heinlein's Starship ____
  6. 8. He wrote The Time Machine
  7. 10. Elon Musk's rocket company