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If humans in the future are serious about moving to a new planet, then they are going to have to take some hard decisions. That's...

Well, in this case we'll have to settle for thinking, "At least they have the AI; it would be worse if they didn't even have that." I...

How could you ethically test that?

Absolutely. For many reasons. The main one being reduced payload. The idea of carrying several generations of living, breeding humans...

Yes, but we're talking about plans that don't allow for such prediction and automation. The timeframes are so long that factors like the...

That's the price you pay to move to Planet B.

Are you implying that SF writers and space proponents are not biased? No one writes about a future where we all realize that human...

What you said, and I agree with it, is equivalent to "abiogenesis is very probable, panspermia is very improbable."

Imagining ourselves in the future having reached the technological limit is analogous to imagining ourselves in the future having...

Also, the target planet would change significantly if it takes us 100,000 years to get there. And, the technology itself will be...