三名宇航员星期三从国际空间站返回地球，他们完成了一项时长五个半月的任务，其中包括翻修机器人。
运载着两名美国人和一名俄罗斯人的联盟号飞船于当地时间星期三日出不久后降落在寒冷的哈萨克斯坦境内。
美国宇航局（NASA）飞行控制人员曾担心降雪和冻雨可能会影响返回地面行动。
来自美国宇航局的约瑟夫·阿喀巴、马克·范德·海伊以及俄罗斯人亚历山大·密苏尔金离开了他们在国际空间站的其他三位伙伴。
Three astronauts from the International Space Station arrived back on earth Wednesday after completing a 5 1/2-month mission that included robotic renovations.
The two Americans and one Russian landed in a Soyuz capsule shortly after sunrise Wednesday, local time, in frigid Kazakhstan.
NASA flight controllers had feared snow and freezing rain might hamper recovery efforts.
NASA's Joseph Acaba and Mark Vande Hei, and Russia's Alexander Misurkin left three other astronauts on the space station.
