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Space colonization

TagLast edit: 13 Jul 2022 23:28 UTC by Pablo

Space colonization is the establishment of self-sufficient human settlements outside Earth. Interstellar colonization is the establishment of settlements outside of the solar system.

The feasibility of interstellar colonization has substantial implications for the long-term future.

If it is feasible, then this would raise the upper bound on the number of people who could eventually live by many orders of magnitude. On the other hand, given the Fermi paradox, its feasibility could be taken as evidence that humans are likely to go prematurely extinct.

There are a number of difficulties that would need to be surmounted before humans, or any other intelligent species, could begin to colonize other star systems. For instance, there would be very large energy requirements, the ability to manage extremely long (possibly intergenerational) flight lengths, and many distinct engineering challenges, such as the need to safeguard against high-velocity collisions with space dust.

Although there is not yet a substantial body of literature addressing the question, the small number of scientists who have examined interstellar colonization appear to be on the whole optimistic about its long-term feasibility.

Further reading

Beckstead, Nick (2014) Will we eventually be able to colonize other stars? Notes from a preliminary review, Global Priorities Project, June 22.
A summary of the small academic literature on interstellar colonization.

Kovic, Marko (2021) Risks of space colonization, Futures, vol. 126.

Mathieu, Edouard & Max Roser (2022) Space exploration and satellites, Our World in Data, June 14.

Shulman, Carl (2020) The High Frontier, space based solar power, and space manufacturing, Reflective disequilibrium, May 23.

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