Artist's concept of a moon habitat

NASA will have to build special habitats for future moon explorers who will live on the moon for weeks at a time. Image Credit: NASA

      a place where a plant, animal or human can get the food, water, shelter and space needed to live

The space shuttle is the astronauts' habitat when in space.

Water is the habitat for fish.

More Information:
http://www.nasa.gov/mission_pages/NEEMO/   →
https://aerospacescholars.jsc.nasa.gov/HAS/cirr/em/6/8.cfm   →