Each contains at least some so-called bright dust or soil that has proved to contain much sulfur, chlorine and phosphorus along with the typical ferric oxide that gives Mars its red tinge.

• 每种样品都含有所谓的亮白色土壤。经证实，这种亮白色土壤主要成份为硫磺、氯和磷，还有特有的氧化铁，使火星呈现出赤红色调。