Their major advantage over other sources of Martian water are that they can easily mapped from orbit and they are closer to the equator where manned missions are more likely to land .
Lobate debris aprons may be a major source of water for future Mars colonists .
colonists ' major advantage over other sources of Mars water are that they can easily mapped from orbit and they are closer to the equator where manned missions are more likely to land .
Lobate debris aprons may be a major source of water for future Mars colonists .