proximarch tight

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Across
  1. 2. the longest on mars
  2. 5. a new planet
  3. 7. a greenhouse on mars
  4. 8. Research
  5. 10. plants
Down
  1. 1. pump
  2. 3. scientific
  3. 4. on a space trip
  4. 6. time in space
  5. 9. on a discovery