All of this information gives scientists a picture of what the surface layer of dirt looks like now and whether or not it might have been a habitable area at some point in the planet's past.
所有的这些信息给科学家们展示了一幅土壤表层现在的图画，也说明了该星球在过去某一时间是否为一个适合居住的地方。
In the past I believed to be an important way to contact friends and now it has gradually opened the light of our attention whether or not it will be after the hearts of our memories?
在以前信是我联系朋友的重要方式而如今它已经渐渐淡开了我们的视线是否以后它只会是我们心中的回忆？
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