space

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Across
  1. 2. a natural satellite which orbits the Earth
  2. 4. the planet on which we live
  3. 6. astronomy a lot of stars that are close to each other
  4. 8. someone trained to be a crew member of a spacecraft
  5. 11. An instrument used to view objects in outer space
  6. 13. a star and the biggest object in the Solar System
  7. 14. a huge, bright ball of burning gas
  8. 15. the smallest planet in our solar system
  9. 17. an extremely large group of stars and planets
Down
  1. 1. a small object made mostly of ice, dust, gas and rock
  2. 3. The seventh planet from the Sun
  3. 5. A meteoroid that survives falling through the Earth’s atmosphere
  4. 7. the second closest planet to the Sun
  5. 9. a meteor that makes a line of light
  6. 10. the largest planet in solar system
  7. 12. the second largest planet in our solar system
  8. 16. red planet