solar system

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Across
  1. 2. this object circle around the world
  2. 5. do someting (for someone)
  3. 6. the earth and 7 other planets are in there
Down
  1. 1. it's a machine and they fly into the space
  2. 3. we can see them in the night
  3. 4. it's an other word for know but it says the same