He says the agency currently has twenty-eight projects working in astrobiology, or the study of life in outer space.

VOA: special.2010.05.25

You can go in outer space-- No, it won't move very much.

你能到外太空去,是的,它不能跑得太远

耶鲁公开课 - 基础物理课程节选

The green-eyed monster is not a frightening creature from outer space.

VOA: special.2010.05.23

During the two-and-a-half hour moon walk, the astronauts frolicked in the weightlessness of outer space and planted an American flag in the lunar surface.

VOA: standard.2009.07.16

Both Melvin and Satcher say they hope there will be many more African-American space explorers inspired by what they've accomplished, not only in outer space but on Earth.

VOA: standard.2010.02.02