The EO-1 satellite is seeing the stain of elemental sulfur being carried to the surface, acting like a highlighter pen, pointing to the microbes' location.
EO-1卫星观测到染色的硫元素被带到表面，就像是一只记号笔，指出了微生物的所在地。
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The sulfur leaves a pale yellow stain that almost seems to glow in the lower image, a photo taken from a helicopter in July 2006.
硫磺留下的淡黄色痕迹，在2006年直升机拍摄的照片(下图)中更加鲜艳夺目。
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The sulfur leaves a pale yellow stain on the ice, and scientists say it's a clear sign of biological activity.