Space

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Across
  1. 1. 太空.
  2. 5. It's big. It gives us out light and heat.
  3. 6. 重要.
  4. 8. same meaning as "big".
  5. 10. To look for something.
  6. 12. A sun and the planets that go around it are called a __________.
  7. 15. 很久以前.
  8. 16. The sun is actually a ________.
  9. 18. Ours is called the Milky Way.
  10. 19. 有時候.
  11. 20. 外面.
Down
  1. 2. There are eight. There used to be nine.
  2. 3. Aliens.
  3. 4. Everything. Very very big.
  4. 7. Goes around the sun.
  5. 9. 動物.
  6. 11. A person who goes into space.
  7. 13. 人生.
  8. 14. A big rock in space. Sometimes they hit the Earth.
  9. 17. 山.
  10. 21. Our planet.