Our universe

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Across
  1. 2. This small, rocky planet is closest to the Sun.
  2. 4. This planet has air, water, and living things.
  3. 6. This planet has thick clouds and is the hottest planet.
  4. 8. This planet has rings made of ice and rock.
Down
  1. 1. This is the biggest planet and has a giant red storm.
  2. 3. This planet looks red because of dusty rocks.
  3. 5. This cold, blue planet is far from the Sun and has strong winds.
  4. 7. This blue-green planet spins on its side.