space

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Across
  1. 6. a rock from space that burns up in Earth's atmosphere
  2. 7. a person who travels into space
  3. 10. Earth's only natural satellite
  4. 11. the force that pulls objects towards each other
  5. 12. a machine, or moon, that orbits a planet
Down
  1. 1. a space rock with a glowing tail
  2. 2. a huge ball of hot gas that shines in the sky
  3. 3. a fast-moving vehicle that travels into space
  4. 4. big round object that orbits a star
  5. 5. the big, bright star at the centre of our solar system
  6. 8. an object used to look more closely at the sky
  7. 9. the path a planet or moon takes around another object
  8. 11. a giant system of star, gas and dust