Read 'Orphans of the Sky' by Robert Heinlein to get an idea of the many problems with this approach. Human society is not culturally stable enough to utilize a generation-ship method of space exploration.
Heinlein's pessimistic vision of a the population of a generation ship turning into savage illiterates is hardly realistic, or one of the biggest problem with the approach.
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Read 'Orphans of the Sky' by Robert Heinlein to get an idea of the many problems with this approach. Human society is not culturally stable enough to utilize a generation-ship method of space exploration.
Heinlein's pessimistic vision of a the population of a generation ship turning into savage illiterates is hardly realistic, or one of the biggest problem with the approach.
Most human societies aren't stable enough for that. But visit most presently isolated communities, and you'll find that they're quite stable.
If you can visit them, they're not isolated.