Tuesday, October 09, 2007

Nearly Self Sufficient Lunar Habitat Designed

This is the future. I hope I can go visit one of these in the future.

The Luna Gaia concept integrates technologies such as the Closed Equilibrated Biological Aquatic System (CEBAS), an enclosed aquarium designed by the German Aerospace Centre and the Micro-Ecological Life Support System Alternative (MELIiSSA) developed by the European Space Agency. MELIiSSA uses microbes to purify water, recycle carbon dioxide and derive edible material from waste products.

Algae – which generates oxygen from carbon dioxide via photosynthesis, and doesn't require pollinating – is the key to the proposed design.

The food required for astronauts would come from a mixture of tending small crops and from pre-packed supplies. Such crops would include peanuts, lettuce, tomatoes, carrots and wheat. In addition, certain types of algae, such as Spirulina or Chlorella would provide other vitamins, minerals and trace elements.

The diet would be largely vegetarian, said Chartres, but protein could potentially come from small-scale farming of fast-growing fish such tilapia.

A lunar base is unlikely to ever be 100 per cent self-sufficient, said Chartres, because no atmosphere is completely safe from leaks and it could not provide humans with all the nutrients that they need to survive.

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