Nature

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Across
  1. 1. This orbits the Earth
  2. 3. Transport in space
  3. 4. Our planets are in the...
  4. 5. The red planet
  5. 6. When countries send spacecraft to explore space
  6. 8. The biggest planet in our Solar System
Down
  1. 1. The planet closest to the sun
  2. 2. Our home planet
  3. 4. The Milkyway has billions of...
  4. 7. To move around another planet or sun