But before NASA could send an astronaut into space, cosmonaut Yuri Gagarin of the Soviet Union became the first person to travel in space.

VOA: special.2009.06.17

With each lecture we put together pre-lecture questions and post-lecture questions that the students were required to answer and they used their learning space that I told you before: Sunspace.

每次讲座我们都会给出,课前问题和课后问题,并要求学生回答,他们利用我之前谈到的,学习空间，即阳光地带。

麻省理工公开课 - 媒体、教育、市场课程节选

Much work had to be done before Project Mercury could put an American astronaut into space.

VOA: special.2009.06.10

Before long, the men put barriers around their living space.

VOA: special.2009.01.24

Discovery blasted off from Kennedy Space Center in Florida and rose toward orbit shortly before sunrise on Monday.

VOA: standard.2010.04.05

Moments before Discovery's launch, NASA camera caught the space station passing through its orbit above Florida.

VOA: standard.2010.04.05