Planets Crossword

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Across
  1. 4. The most similar planet to the Moon
  2. 5. The liveliest planet in the Solar System
  3. 6. Well-known for its rings made up of ice and rock
  4. 8. Most similar planet to Earth
Down
  1. 1. Another name for Poseidon, coldest planet in Solar System
  2. 2. Biggest planet, first planet after the asteroid belt
  3. 3. Atmosphere contains acidic gases, has lots of lava
  4. 7. Tilted on its side, very cold