space shuttles

sure. A UFO is just a space vehicle from another planet. If you think about it, our space shuttles are UFOs.

当然.UFO是外星人的一种空间旅行工具。如果你仔细想一想，咱们的宇宙飞船就是一种UFO。

Recent evidence indicates that at least some noctilucent clouds result from freezing water exhaust from Space Shuttles .

最近有线索表明，至少部分夜光云是由航天飞机上排出的水蒸气结冰所导致的。

To be exact, space shuttles roared into space for three decades, two months and 26 days, the last flight occurring in July of this year.

精确来说，太空梭升空的历史已经有三十年两个月又二十六天，最近一次发射在今年七月。

They're big and fast and fly in space, but NASA's space shuttles are far from being shiny white spaceships straight off the factory floor.

虽然外形很大而且飞得很快，但美国宇航局（NASA）的航天飞机与其在工厂里洁白的形象相去甚远。

The grossly overpriced International Space Station would be completed by 2010, allowing the outdated space shuttles to be retired.

非常奢华的国际空间站将会在2010年完成，那时陈旧的航天飞机就可以退休了。

As such, launch vehicles that are reusable (like the space shuttles) are key to keeping costs under control.

像这样，能够反复利用的运载火箭（正如航天飞机）就成为控制成本的关键。

In the meantime, plans are still being worked out for putting Discovery and the other retired space shuttles on permanent museum display.

同时，还在计划把发现与其他退休的永久航天飞机博物馆展示。

The upper stage was able to reach then-record altitudes of almost 400 kilometers, higher than even modern Space Shuttles fly today.

上层火箭可以到达海拔400公里的高度，这是当时的纪录。甚至连现代航天飞机都不及。

The journey to Mars could take only a very short time in space shuttles that travel at half the speed of light .

火星的旅程可能只需要很短的时间内航天飞机在太空旅行的一半光速的速度。

But the hope is that this vehicle will fill the gap in the market left by the retiring space shuttles .

但（欧洲）的希望是此飞行器将填补即将退役的航天飞机留下的市场空白。

The journey might take only a very short time in space shuttles that travel at half the speed of light.

用以光速一半速度飞行的太空穿梭机进行的旅程可能只要花很短的时间。

NASA's soon-to-be-retired space shuttles are up for grabs.

美国宇航局三架几年后将退役的航天飞机目前正接受公开投标。

In a very short time, space shuttles will travel at half speed of light.

很快，航天飞机的速度将达到光速的一半；

The 29-foot-long space plane, much smaller than the space shuttles, can stay in orbit for up to nine months.

这位29英尺长的空天飞机，比航天飞机更小，可以留在轨道上长达9个月。

Space shuttles often deploy their own original version of a robotic arm dubbed Canadarm.

航天飞机也经常会展开它自己的被命名为加拿大臂的最初的机器手臂。

More than 80 flights of U. S. space shuttles and Russian rockets will be necessary to complete the International Space Station.

要完成建设国际空间站的工作，需要美国航天飞机和俄罗斯火箭进行超过80次太空飞行。

Nasa is to send three retired space shuttles to museums in California, Florida and suburban Washington.

美国宇航局将把三架退役航天飞机赠送给加利福尼亚州，佛罗里达州和华盛顿郊区的博物馆。

Computers have been an integral part of NASA's space shuttles since its conception.

计算机一直是它的概念以来美国宇航局的航天飞机的组成部分。

In the NASH Kennedy space center launching site, two space shuttles - Endeavour and Atlantis stood on the launcher side by side.

在美国宇航局肯尼迪航天中心发射场，两架航天飞机——“奋进”号和“亚特兰蒂斯”号并列立在发射架上。

The space shuttles escape capsule will use a parachute in an emergency.

遇到紧急情况时，航天飞机的逃生舱会使用降落伞。