The Inner Planets

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Across
  1. 5. Planet known as the Evening Star
  2. 6. There are __________ on Venus.
  3. 8. Venus and ___________are the only two planets that do not have moons.
  4. 9. One of Mars' moons.
  5. 10. The surface of Mercury looks most similar to the surface of the_______.
Down
  1. 1. Known as the Red Planet
  2. 2. It takes one year for the earth to___________ around the sun.
  3. 3. Terrestrial planets
  4. 4. The inner planets are characterised as solid and________.
  5. 7. The largest volcano in the solar system is called______________ and is found on Mars.