:)))

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Across
  1. 3. A place next to the sea for different uses such as rest or scientific research or play
  2. 7. Someone who can travel to space
  3. 8. very old
  4. 9. Newton's most important invention
Down
  1. 1. The most beautiful and popular planet because of its rings
  2. 2. weather
  3. 4. respect
  4. 5. something which is very important for you
  5. 6. Where humans keep animals
  6. 8. Those we know with green skin and one eye and from other planets