In my yet to be named sci-fi universe humanity has begun to expand into space and has established large scale space stations near Earth and on places like Eros and Luna. I wanted the stereotypical "spacer" to have more children than is usual on earth (1 or 2). Are there any logical reasons or advantages for spacers to have multiple children in a space colony?


  • The Hegemony (global government which controls the majority of humanity) practices birth credits (after a couple's second child they would need to buy permits for any further child) to try and prevent drastic population growth, but in my mind I don't think simply wanting to have more than 3 kids without buying a permit is a good enough reason or motivator to move to space.
  • Space stations are required to be built with "Maternity Centers" which allow pregnancy, birth, and development to be done in near earth gravity.
  • Most space colonies are built around mining and/or energy generation, manufacturing, and trade with other colonies (and for certain resources that are worth the cost) and Earth. As well as science experiments and tests on the side

31 Answers 31


Brains for missiles.

Young children take very few resources to raise for the first few years.

Harvesting their brains as computational devices lets the rest of their body be recycled as fertiliser.

The infrastructure to use a toddler's brain in a missile is vastly cheaper to make than complete computational units which require scarce elements you don't want to fire off and lose.


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