Universe

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Across
  1. 3. circles around the earth and shines in the night
  2. 4. a fireball. we circle it
  3. 6. where we live (planet)
  4. 7. the planet who comes after the earth
Down
  1. 1. revolves the earth. People are living inside.
  2. 2. the sun and the 8 planets together in one word
  3. 3. the galaxy we live in
  4. 5. the planet who is the furtest away from the sun