A more extreme version of this is the idea of panspermia in the early universe, when the cosmic microwave background radiation was warm enough to keep water liquid: https://lweb.cfa.harvard.edu/~loeb/habitable.pdf
A more extreme version of this is the idea of panspermia in the early universe, when the cosmic microwave background radiation was warm enough to keep water liquid: https://lweb.cfa.harvard.edu/~loeb/habitable.pdf