Comparison To Other Interstellar Colonization Concepts
- Proposals of sleeper ships and generation ships require very large spacecraft to transport humans, life support systems and other equipment or food as well as an even larger propulsion system for a long period in time. Even optimistic proposals would require such a major effort for such ships that the resources required on Earth would involve a large part of mankind devoted to the mission or would even exceed available resources. In contrast, an EIS would have feasible small dimensions in the range of today's spacecraft, as the most important "cargo" would not need much space or weigh very much.
- Sleeper ship proposals call for freezing adult humans. While there is research into hibernation, the complexity of a living fully developed human body may make the sleeper ship proposals much more difficult.
- While sleeper ships and generation ships would deliver to a prospective colony world a population that has undergone some degree of education, training, and socialization in areas reconcilable with those of the sponsor culture (e.g. historical, scientific, and technical education, language acquisition, an understanding of the original mission and broader cultural norms), individuals who are born into colony worlds through embryo space colonization would lack this education.
Read more about this topic: Embryo Space Colonization
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