| ▲ | dekhn 3 hours ago | |
I don't see any reason for the source molecules to come from space. We already know that nucleotides will spontaneously form and polymerize in conditions consistent with the early earth, and a meteorite origin just moves the source of those nucleotides elsewhere but doesn't answer how they formed. | ||
| ▲ | rolph an hour ago | parent [-] | |
space has been around for a lot longer than earth, its possible that inter planetary generation of nucleic acids may be primarily a matter of chemistry. Nucleobase synthesis in interstellar ices[2019] https://www.nature.com/articles/s41467-019-12404-1?error=ser... Chemistry of Abiotic Nucleotide Synthesis[2020] | ||