And so when it comes time when we find gases in exoplanet atmospheres that we won't know if they're being produced by intelligent aliens or by trees, or a swamp, or even just by simple, single-celled microbial life.
I kada dođe do toga da nađemo plinove u atmosferama egzoplaneta, nećemo znati proizvode li ih inteligentni izvanzemaljci ili drveće ili močvara ili samo jednostavni,  jednostanični mikrobiološki život.