海盗号 太空船不但收集火星土壤样本，还量度了太阳系内光的速度。

The Viking spacecraft not only sampled the soil of Mars; they also measured the speed of light in the solar system.

如果没有「水手号」和「海盗号」这麽进步的探测船，我们可能还对火星非常陌生。

Think of how much we'd still be wondering about Mars if not for fancy probe like Mariner and Viking.

“我们目前的行星保护政策基于‘海盗号’时代，”佩奇说，“从那时以后，我们就发现细菌的生命力要比我们最初认为的更顽强。”

"The planetary protection policies that we have are rooted in the era of Viking. … , " Paige said. "Since then we've found that microbes are a lot more rugged than we originally thought, " he added.