Mars Crossword

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Across
  1. 2. Most prominent chemical in Mars' atmosphere
  2. 5. Does Mars orbit the Sun faster or slower than Earth?
  3. 7. Number of moons in the solar system larger than Mars
  4. 8. Largest mountain in the solar system
  5. 9. Roman god of
Down
  1. 1. First country to reach Mars
  2. 3. The larger of Mars' two moons
  3. 4. Reason Mars is red
  4. 5. Instrument used to locate habitable areas on Mars
  5. 6. Current Mars mission