"The fact that terrestrial microbes are the Earth's best colonizers means we can never completely discount terrestrial contamination."
  • VeganPizza69 Ⓥ@lemmy.vgEnglish
    3·
    21 days ago

    The compromise would be to create a signature biome and allow it to contaminate. And if they find some rock which doesn’t have that signature biome, then it’s probably extraterrestrial.