The fire was so big that American astronaut John Glenn could see it from space as he orbited Earth.

VOA: special.2009.03.22

But it's not a big con, because you can set up experiments in free space far from everything, where objects will, in fact, maintain their velocity forever.

但这并不是个反例,因为你可以在一个远离一切的空间里做实验,在那里,物体可以永远保持现有速度

耶鲁公开课 - 基础物理课程节选

This grid of horizontal lines, and we will know that if we're going from here to here, it's got to be exactly this frequency, or at least this space.

这个水平线组成的网格,让我们知道,从这里到这里,正好是这样的频率,或者至少是这个间隔

耶鲁公开课 - 聆听音乐课程节选

Rockman imagines a terrible future in which plants and animals must be sent into space to protect them from Earth's pollution.

VOA: special.2010.12.15

The extended-through-space train that I'm picking out when I pointed the locomotive turns out to be a different train from the extended-through-space train I picked out when I pointed to the caboose.

当我指着火车头,所提到的贯穿空间的火车,和我指着火车尾,所提到的贯穿空间的火车,不是同一辆。

耶鲁公开课 - 死亡课程节选

He also produced the thirteen-part series, "From the Earth to the Moon" because of his support for human space travel.

VOA: special.2011.06.17

That was Cartesian space. When I plot r as a distance out from the nucleus that is sort of our simple-minded planetary model. Now let's look at energy.

笛卡尔坐标系，当我用r表示,离原子核的距离时，那只是我们头脑中简单的,类似行星的模型，现在我们看一下能量问题。

麻省理工公开课 - 固态化学导论课程节选

The first pictures of Earth taken from space showed a solid ball covered by brown and green landmasses and blue-green oceans.

VOA: special.2011.01.04

If you allow a little bit of spacing, a little more space between your frequencies, they're a little bit farther apart, then you can move from closeness plays to spacing and you get the consonance.

如果让频率间有点间隔,给频率间多一点空间,让它们彼此远离一些,从密集的音高,转向有间距的音程,就能得到和谐音

耶鲁公开课 - 聆听音乐课程节选

Space scientists have collected a wealth of information from spacecraft that have orbited,landed on and dug into the Martian surface.

VOA: special.2010.07.28

So I would help myself to this language of space-time worm object that extends not only over space but also over time, and distinguish the entire worm from the various slices or stages that either make up the worm or we could slice the worm into.

然后我借助时间虫这个词,这是描写物体,贯穿时间和空间的词语，并区分出整条虫,和不同的部分,这些部分是组成虫，或者虫可以切分成的。

耶鲁公开课 - 死亡课程节选

The atmosphere is about twenty-percent oxygen and eighty percent nitrogen from Earth's surface to where space begins at one-hundred-twenty kilometers up.

VOA: special.2011.04.06

Scientists at the Goddard Space Flight Center in Greenbelt,Maryland, found the substance glycine in material brought back to Earth from a comet.

VOA: special.2009.09.30

The National Aeronautics and Space Administration, NASA, launched Columbia from Kennedy Space Center on April twelfth nineteen eighty-one.

VOA: special.2011.07.27

But seeing Earth from space may soon become a reality for wealthy people who dream of space travel.

VOA: special.2009.12.18

This is a big change from earlier models where NASA led and controlled the development of space vehicles.

VOA: special.2010.04.28

The astronauts' decrease in bone strength measured from point six percent to five percent for each month spent on the space station.

VOA: special.2009.03.10

Yet,it took some time for the team to confirm that the amino acid glycine came from space.

VOA: special.2009.09.30

One of the most important was how to design the special clothing needed to protect a person from the dangers of the space environment.

VOA: special.2011.04.06

Many scientists believe that a huge object from space hit Earth about 65 million years ago.

VOA: special.2009.01.20

Much of what was learned from its flights speeded up the development of the space program.

VOA: special.2010.07.07

It was put in place to help protect the space shuttle from bird strike damage.

VOA: special.2009.04.01

Newspapers in the United States earn most of their money from selling space for advertising.

VOA: special.2009.04.20

China put an astronaut into space in two thousand three, and it plans to send a robotic explorer to the moon two years from now.

VOA: special.2010.04.28

The two government agencies have been studying Arctic Sea ice from space since nineteen seventy-nine.

VOA: special.2009.05.05

The women recently earned master's degrees in space systems engineering from the University of Michigan.

VOA: special.2009.02.16

But Ms.Neal says the United States space program always seems to recover from hardship.

VOA: special.2011.02.09

They're very efficient." Not far from Taylor Glacier, researchers for the American space Agency are using the icy Lake Bonney to test an underwater robot vehicle.

VOA: special.2009.06.03

The name of this space vehicle came from Clara Ma,a student from Kansas.

VOA: special.2011.04.26

He was a hero who could defeat any enemy from outer space.

VOA: special.2010.06.27