Mars exploration

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Across
  1. 5. in our galaxy
  2. 6. bright, our light in the day
  3. 7. billions spread in the air
  4. 9. 4 wheeled vehicle on mars
Down
  1. 1. name of rover
  2. 2. unidentified life forms
  3. 3. shines in the night
  4. 4. the red planet
  5. 8. takes pictures and records information