Life Support

Life support systems in space involve a range of areas and considerations.

Short term issues:

  • Hull protection – compression, extreme temperature control, and extreme radiation protection are usually provided by some kind of hull in either a spacecraft or a larger living habitat structure
  • Short term breathable oxygen supply – a tank of air and a delivery mechanism
  • Short term drinkable water supply – a flask of water
  • Short term food supply – food rations in a form easy to preserve and use
  • Emergency medical supplies – first aid kit

Long term issues:

  • Long term recyling, re-generation and storage of
    • air – oxygen and carbon dioxide exchange and storage
    • water – wastewater recovery and treatment, atmosphere humidity exchange
    • food – direct synthesis from raw materials, food processing and algae production
  • Energy supply, re-generation and storage
  • Atmosphere control of temperature and humidity
  • Overall health, nutrition and exercise

Life Support Systems in Space – [nova.org]

Plants are essential companion lifeforms for long-term space missions, where Human habitats must mimic the cycles of life on Earth to generate and recycle food, oxygen, and water.

Biospherics – [biospherics.org]

The Biosphere 2 Project. The project is designed for three purposes: research, education, and the development of environmental technologies for use on Earth and in outer space. Biosphere 2 is a new type of laboratory which combines state-of-the-art architecture and mechanical and computer monitoring systems with a wide range of living ecosystems. It is an experimental project where everything that happens—both expected and unexpected—provides valuable insights into our complex and evolving world.

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