Ophiolite
Recalcitrant Procrastinating Ape
I've given one example in my reply to @klutedavid : travel by asteroid powered by? Let's see, perhaps a Project Orion approach.Could you give a few examples of ways you think that might be possible?
Naturally you have to deal with the problem of travel time. A human approach could be one of the following:
- Generation ship
- Hibernation
- Frozen embryos quickened on arrival at the destination and raised by AIs. Ah! Looking back I see you've suggested that one yourself in another post. As you say this one could be relatively light weight, so light sail may be a potential propulsion mode.
I'm sure there is a bunch of material out there on the web, some of it good quality, much of it not.
Absolutely. I almost included it as an example. I think the concept may have been introduced in the Carl Sagan's SF novel Contact. Or was that a discovery of a 'message' imbedded deep in the irrational number pi, not from aliens, but . . . . well you can imagine. We're in the right place for it.(as for looking for evidence of previous "visits" what about the redundant code that is apparently in DNA?
Might there be encrypted messages in them or would they mutate too much for that purpose?
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