Atmospheric composition

The atmosphere aboard the Honeycomb Space Settlement is a standard, Earth-like mixture of n itr o g e n (7 9 % ) and o x y g e n (2 1 % ) [9] . The main advantage that the mix has over a pure oxygen atmosphere is the increased safety (especially against fire, which can be incredibly problematic, as shown by the Apollo 1 mission). However, the spacecraft’s life support systems can always reduce the nitrogen levels while increasing oxygen, in order to make the settlement lighter (by removing the need for a large number of nitrogen tanks) and to minimize the effects of decompression sickness.

Fig 5.4 Diagram of the life support system aboard the Honeycomb Space Settlement[10][11]