The spacecraft will use its 2.5-meter robotic arm to scoop up soil samples and collect underground ice, or permafrost, to see whether there's evidence life ever existed on the Red Planet.

探测器将借助2.5米长的机械手臂挖掘土壤样本，采集地下冰，或者永久冻土，来研究这个红色星球上是否有生命迹象存在。

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Humans have sent many missions, both manned and robotic, beyond our planet to explore our neighboring celestial bodies.

人类已经向太空发射了许多载人的和遥控的飞行器，用来探索地球之外的临近天体。

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You are the robotic Opportunity rover, and you are the eyes for countless humans following your trek back on planet Earth.

你就是机遇号探测车，你带着地球上无数人的期待长途跋涉而来。

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Nasa will send a robotic rover, Mars Science Laboratory (MSL), to the planet in September 2009 to look for signs of past or present life.

BBC: Water 'widespread' on early Mars