It will analyse soil and rock samples, looking for organic materials and asking whether Mars ever was, or is currently, capable of supporting microbial life.
These microscopic impurities, derived from rock and from organic material in creatures that once lived on an ancient ocean floor, have undergone an amazing journey.
这些来源于岩石和曾经生活在远古海洋板块的的生物中的有机物的微观杂质，已经经历了一个令人惊异的旅程。
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Whole rock analysis and kerogen analysis are two analytical methods of studying hydrocarbon source rock in organic petrology.