美国国家航空航天局今天在佛罗里达州宣布，已经取消了下一次的航天飞机任务。
NASA, the National Aeronautics and Space Agency, today announced in Florida that the next space shuttle mission has been canceled.
美国国家航空航天局的教育发射纳米卫星计划，为教育团体和科学任务提供免费发射，现在也对美国非盈利机构开放。
The NASA Educational Launch of Nano Satellite program, which offers free launches for educational groups and science missions, is now open to U.S. nonprofit corporations as well.
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.
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