Kelly and Kornienko monitored their bodies to see what space does to humans.

研究人员对凯利和科尔尼延科的身体进行检测，以了解太空生活对人体的影响。

Scott Kelly and Mikahil Kornienko are slated to spend a year away from earth, about twice as long as a standard mission.

斯科特·凯利和Mikahil Kornienko将远离地球长达一年，这也超过了规定完成任务时间的两倍。