Space

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Across
  1. 3. natural satellite that can be seen at night
  2. 6. many stars together
  3. 7. devices that fly around the earth
Down
  1. 1. the biggest object in the Solar System
  2. 2. space vehicle
  3. 4. the Sun is the biggest one in the Solar System
  4. 5. Earth, Mars, Venus are examples