The seeded-Earth hypothesis

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The seeded-Earth hypothesis

On ethically motivated seeding

with the course of time it becomes more probable for an intelligent observer to find himself on a planet where life descends from seeding rather than on a planet where abiogenesis took place.

the universality of certain cellular mechanisms (most notably of the genetic code), strongly suggests that all terrestrial life derives from a small group of identical cells, or even perhaps from a single cell



it is not difficult to produce billions and billions of microbial seeds, and send them using a number of inexpensive probes (e.g., propelled by solar sails) headed into the same star-forming region. With the seeds maximally protected, so all things being equal, the efficacy of seeding is higher compared to panspermia.

Ethically motivated seeding is to secure existing native life-form. Both technical and ethical reasons require to implant a signature into the seeds. The question is whether they will find out that signature or not. If they do, that would mean they have advanced to a point of technological development that proves the first stage of the seeding program has been a success, namely: intelligence has emerged from the seeds. Next step is waiting for them to decode the signature. We will know they have decoded it the very moment they land on DENIED, on the exact site coordinates encoded by the signature. Only then will the second stage of the seeding program be termed a success. As of this point in time, they have discovered DNA sequences, and they are even wondering whether those sequences do carry a message. They are still far from concluding that they need to interpret the code in more than 3 dimensions, but we are optimistic. We estimate by the year 2100 they will have developed the means to fully decode the message, and that by 3000 they will be able to reach the contact point, provided their civilization has not collapsed before.

In order to avoid seeding interfering with indigenous life, we required to only target star-forming regions. And if for some reason the probes targeted an already inhabited planet, or any planet where life was detected, the probes should self-destroy before any accidental seeding takes place. This is a basic requirement for any ethically motivated seeding program. But we also need to discuss whether that's enough. In my view, it is not. We also need to leave those intelligent species that develop from our seeding program with a clue about their descendant origin. It is on our responsibility, as seeders, to make intelligent observers which might evolve from the seeds fully aware of their descendant origin, and the only available “time capsules” for a probe carrying the seeds are the seeds themselves.



The CAFB Exchange protocol specifically demands the signature to be encoded in genomes, to be understandable, and to be unambiguous. Once found, it must be clear for them that it is an artificial signature, and not the result of natural evolution or randomness, and this is so because the potential of an already existing civilization to perform cosmic seeding is not lower than the potential of life to emerge from scratch.

the development of genetic weapons, that is, the weaponization of genomics aimed at developing biological weapons that target specific genetic traits, mainly ethnic polymorphisms, forced us to develop new methods and techniques to analyze massive amounts of genomic data. The finding of the universal genetic footprint, the code that gave us reasons to believe there is an artificiality in the genome, is a side effect. Sharing this data with the scientific community is tantamount to having to give explanations we are not ready to give in connection with our genetic weapons development program.

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