Science Fiction Vocabulary

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Across
  1. 1. a robot that resembles a human being
  2. 4. the blocking of light from one celestial body by another
  3. 5. revolve around another body
  4. 6. time without end
  5. 8. a human whose body has been taken over by electro mechanical devices
  6. 12. a machine built to carry out a complex task
  7. 14. the brightness of a star
  8. 16. configuration of stars
  9. 17. equipment that orbits the earth
  10. 18. partial region of shadow
  11. 19. either of two times when sun crosses the earth's equator
Down
  1. 2. staying in a state of rest or regular motion unless affected by an external force
  2. 3. ray gun
  3. 4. originating outside Earth
  4. 7. between or among stars
  5. 9. cloud of gas
  6. 10. relating to the planet Mars
  7. 11. everything that exists anywhere
  8. 13. small solid body that hits Earth's atmosphere
  9. 15. total destruction