In 1986 the U. S. S. R. launched the core module of Mir, a scientific station that was expanded with five additional modules over the next decade.

1986年苏联发射和平号太空站的核心舱是科学用太空站，之后十年又扩充加入额外的五个舱。

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In 1986 the U. S. S. R. launched the core module of Mir, a scientific station that was expanded with five additional modules over the next decade.

1986年苏联发射和平号太空站的核心舱是科学用太空站，之后十年又扩充加入额外的五个舱。

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