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.
Jednou v atmosféře exoplanet najdeme plyny, o nichž nebudeme vědět, zda je vyprodukovaly inteligentní bytosti, stromy, močály, nebo třeba jednoduché jednobuněčné mikroorganismy.