第一个在地球轨道之外执行的私人任务比我们预想的更早。
The first private mission outside of Earth's orbit is closer than many of us think.
美国政府官员将批准私营太空公司月球快车在2017年底执行的一项脱离地球轨道的任务。
U.S. government officials are set to approve a mission by privately-held space company Moon Express to travel outside of Earth's orbit in late 2017.
它们可以到达更远的轨道；美国国家航空航天局计划在其未来的大部分发射任务（尤其是去月球和火星的）中携带立方体卫星。
They can attain more distant orbits; NASA plans for most of its future earth escaping payloads (to the moon and Mars especially) to carry CubeSats.
应用推荐