Bacillus subtilis spores PROTECT experiment Space-exposed and Mars-exposed vs. Earth-control

Because of their ubiquity and resistance to spacecraft decontamination bacterial spores are considered likely potential forward contaminants on robotic missions to...由于细菌芽孢（bacterial spores）普遍存在且对航天器消毒（spacecraft decontamination）具有抗性，因此它们被视为机器人探测任务前往……过程中极有可能出现的前向污染物（forward contaminants）候选。