但是本月上演的另一场重头戏却是诺思罗普·格鲁曼登月飞行器挑战赛。
1971年的今天，阿波罗计划：阿波罗15号的宇航员成为首个驾驶登月飞行器的人。
1971 - Apollo program: Apollo 15 astronauts become the first to ride in a lunar rover.
宇航员尤金·尔南、哈里森·米特和罗纳德·文斯参加了“阿波罗”号的最后一次登月飞行。
Astronauts Eugene Cernan, Harrison Schmitt, and Ronald Evans made the last Apollo flight to the moon.
进行了基于平面三体模型的登月飞行器轨道控制方法的研究；研究了从近地低轨道到近月低轨道的飞行轨道；
The flight trajectories from low earth parking orbit (LEO) to low lunar parking orbit (LLO) based on a planar three-body model are studied.
宇航局计划4年之后发射新型的宇宙飞行器，然后在2020年以前恢复载人登月飞行，最后的目标是登上火星。
NASA wants to resume manned flights to the Moon by 2020 with the eventual goal of reaching Mars.
奥德赛公司是“Google月球X大奖赛”的参赛者，该比赛将为有能力向月球发射登月飞行器的公司提供2000万美元的奖励。
This competition offers million to any entrant who can launch, land and operate a rover on the lunar surface.
登月飞行器挑战赛对美国国家航空航天局而言是一个好消息，因为它如今可以依靠大批潜在供应商和经验丰富的工程师群体制造出未来所需的任何登月飞行器。
The lunar lander challenge is good news for NASA, because it can now count on groups of potential suppliers and experienced engineers to build any future moon lander.
国家航空航天博物馆展示了美国在飞行和宇宙探索方面取得的成就，从莱特兄弟的第一架双翼飞机到阿波罗号登月任务以及其他。
The national Air and space Museum celebrates the nation's achievements in flight and space exploration, from the Wright brother's first biplane to the Apollo moon mission and beyond.
太空计划不止是熟知飞行轨道和用什么样的火箭最好：载人登月是有巨大风险的。
Aiming for space is about more than understanding flight paths and knowing the best rockets to use: moon shots are about taking risks.
印度计划在2014年首次实现载人航天飞行，还打算在2020年实现载人登月。
India aims to launch the first Indian into space by 2014 and maybe to put a man on the moon by 2020.
1969年美国登月计划指挥官、美国宇航员托马斯斯塔福德说：“如果尤里 加加林没有进行首次太空飞行，我可能也没有飞去过月球。”
"If Yuri Gagarin had not made this flight I would not have flown to the moon," said US astronaut Thomas Stafford, commander on the first US lunar landing in 1969.
尽管前苏联抢占了太空竞赛的先机，第一艘绕行星而不是地球飞行的太空船来自美国，第一位登月宇航员也是美国人。
Although the Soviet Union initially led the space race, the first spacecraft to fly by a planet other than Earth was an American one, and the first man on the moon was also an American.
他们的使命只是做地球低轨道飞行，以测试月球舱和阿波罗11号以及以后的登月任务所使用的登月舱。
The mission was planned as a low-Earth orbit to test the Lunar Module, the lander later used by Apollo 11 and subsequent missions to land on the moon's surface.
阿波罗11的任务是第一次载人飞行登月任务。
The Apollo 11 mission was the first manned mission to land on the Moon.
任务由约翰 杨指挥；汤姆斯K.马丁利二世任指挥舱飞行员；小查尔斯M.杜克任登月舱飞行员。
The mission was commanded by John Young; Thomas K. Mattingly II was the command module pilot and Charles M. Duke, Jr. served as the lunar module pilot.
然后，他们开始准备发动登月舱起飞，返回正在绕月轨道上飞行的指令舱。
Then they began to prepare to launch the lander for the return flight to the orbiting command module.
两名宇航员将从在轨道上飞行的指令舱乘载登月舱在月球着陆。
Two astronauts would ride in it from the orbiting command module to the moon's surface.
当其中一名宇航员在指挥舱中环绕月球飞行时，另一名宇航员在登月舱中降落到月球表面。
While one of the astronauts went round the moon in the command module, the other went down to the surface in the lunar module.
该国2007年发射了绕月飞行器，使其可能于2020年实现载人登月。
The country launched a lunar orbiter in 2007 with the possibility of a manned mission to the moon by 2020.
该国2007年发射了绕月飞行器，使其可能于2020年实现载人登月。
The country launched a lunar orbiter in 2007 with the possibility of a manned mission to the moon by 2020.
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