Mars

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Across
  1. 3. How close is Mars from Earth?
  2. 6. What is the gravity on Mars (in m/s2)?
  3. 8. What liquid have we found on Mars?
Down
  1. 1. How far is Mars from Earth?
  2. 2. How long is a day on Mars (in hours)?
  3. 4. How many moons does Mars have?
  4. 5. Which country went to Mars first?
  5. 7. How long does it take to get to Mars?