Space, autumn

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Across
  1. 1. a holiday in Autumn, NOT HALLOWEEN
  2. 4. our Sun is one, and we see many of them at night in the sky.
  3. 5. a beautiful season, with bright colors of red, orange, and yellow
  4. 6. there are habitable ones, and 8 of them in the solar system
  5. 7. dangerous, insane gravitational pull
  6. 9. popular for Halloween decorations, is a vegetable
Down
  1. 2. It's Infinite and is expanding every second
  2. 3. made out of gas and dust, mostly stars form in them
  3. 4. astronouts travel in space with IT
  4. 8. There is none of it in space, but Earth has it.