panspermia
noun [ U ] uk/pænˈspɜː.mi.ə/ us/pænˈspɝː.mi.ə/
有生源说，胚种论
the theory that very small organisms or chemicals that begin life can be found everywhere in the universe and that they made life on earth begin
The theory of panspermia - germs or spores spreading life through the universe - was touted by the late Nobel laureate Francis Crick. 已故诺贝尔奖获得者弗朗西斯 · 克里克提出了胚种论，即细菌或孢子在宇宙中传播生命。