The Solar System

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Across
  1. 1. Biggest Planet
  2. 4. The Dead Planet
  3. 5. All planets orbit it
  4. 6. The Red Planet
  5. 7. How did the Universe start
Down
  1. 2. Terrestrial Planet
  2. 3. First astronaut on the moon
  3. 4. Earths only natural satellite