Yang Liwei, China's first spaceman, confirmed this weekend that the country planned to set up its first orbital space station by around 2020, according to the People's Daily website.

据人民日报网站报道，本周末杨利伟确认了中国计划在2020年左右建造中国首个轨道空间站。

youdao

The orbital space plane promises to be much safer than the shuttle.

轨道太空飞机应该较太空梭来得安全。

youdao

Once in orbital space, where repulsorlifts become ineffective, a ship switches to its more powerful sublight drives.

一旦进入反重力装置失效的轨道空间，飞船才切换到更强大的亚光速推进器。

youdao

The results of the two short flights made space officials believe the Mercury program was ready for its first orbital flight.

VOA: special.2009.06.17

Nicholas Johnson is chief scientist for orbital debris for the United States space agency.

VOA: special.2009.04.01

Sierra Nevada Space Systems showed video of a successful flight of their Dream Catcher orbital space vehicle this year.

FORBES: Private Space Transportation Reaching New Heights

The agency has already spent billions of dollars on the National Aerospace Plane, the X-33, X-34, X-37, X-38 and the Orbital Space Plane.

FORBES: Magazine Article

Latest example of NASA bloated spending: The agency has already spent billions of dollars on the National Aerospace Plane, the X-33, X-34, X-37, X-38 and the Orbital Space Plane.

FORBES: Magazine Article