Space

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Across
  1. 2. small rocky object that orbit the Sun
  2. 4. round object that orbit the Sun
  3. 6. instrument that allows people to see distant objects
  4. 8. extraterrestrial life-form, or a being from another planet
  5. 9. the whole mass of air that surrounds the Earth
  6. 12. anything in the sky that cannot be explained y the person who sees it
  7. 13. the third planet from the Sun and the fifth largest planet of the Solar System. It is currently the only known location where life is present
Down
  1. 1. the Sun and all the objects that orbit around it
  2. 3. moon, planet or machine that orbits a planet or star
  3. 5. person who is specially trained to travel into outer space
  4. 7. huge collection of gas, dust, and billions of stars and their solar system
  5. 10. tall, thin, round vehicle
  6. 11. large object made of dust and ice that orbit the Sun