Space

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Across
  1. 1. All the planets go around it.
  2. 5. The hottest planet.
  3. 6. It is used to look into space.
  4. 7. Closest planet to the sun.
Down
  1. 2. Furthest planet from the sun.
  2. 3. The biggest planet.
  3. 4. Place where astronauts live and work.
  4. 7. The red planet.