Sci-Fi

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Across
  1. 1. A massive group of stars, planets and dust in space
  2. 4. The path an object takes as it travels around a planet or star
  3. 5. A powerful beam of light often used as a weapon in sci-fi stories
  4. 7. A large rock that travels through space
  5. 8. A huge round object in space that travels around a star
  6. 10. A robot designed to look like a human
  7. 12. A large structure in space where astronauts can live and work
  8. 13. A space object made of ice and dust that leaves a glowing tail
Down
  1. 2. A person trained to travel into space
  2. 3. An important task or journey in space
  3. 6. The force that pulls objects toward a planet
  4. 8. A doorway that can transport someone to another place or world
  5. 9. An object that travels around a planet in space
  6. 11. A machine that can move and do tasks like a human