The universe looks roughly the same in all directions-even parts that seem to be separated by more than the distance light has traveled since the Big Bang.

我们的宇宙从所有方向看，大致是相同的，甚至包括比自大爆炸后光传播最远的距离更远的分离区域。

youdao

Because some brighten or dim significantly in less than a day, their energy-producing regions must be no larger than the distance light can travel in a day - about the size of our solar system.

由于某些类星体在不到一天的时间里明显增亮或变暗，其产能区应该不会比光一天行进的距离长，即约为我们太阳系的大小。

youdao

Light-line is one of the companies that will most benefit if new long-distance fiber-optic telecommunications networks are constructed.

如果建设新的长途光纤通信网络，Light-line 将是最大的受益公司之一。

youdao

There are two mountains in the distance. The light was changing quickly, so I had to react so quickly.

VOA: standard.2009.12.15

So if we just go a tiny distance in here, this is Bud Light and so on.

那么如果我们稍微走点距离,这是百威淡啤酒,以此类推

耶鲁公开课 - 博弈论课程节选

Alright. So, since we have these terms defined, we know the frequency and the wavelength, it turns out we can also think about the speed of the wave, and specifically of a light wave, and speed and is just equal to the distance that's traveled divided by the time the elapsed.

好了，我们已经定义了，这些术语，我们知道了，频率和波长，现在可以来考虑,波的速度了，特别是光波的速度，速度等于它走过的距离,除以所用的时间，因为我们。

麻省理工公开课 - 化学原理课程节选

The sequence of woodland vistas, the revelations of scale and distance, light and dark, building and nature, land and water, as one approaches the entrance, were superbly orchestrated by Wright.

WSJ: A Marriage of Nature and Art

Viewed from a distance of ten light-years, the sun's side-to-side wobble due to Jupiter causes its position to change by 1.6 thousandths of an arcsecond.

ECONOMIST: A roadmap for planet-hunting

As they announced at the meeting in San Diego, the Sloan survey team was able to pick up such a density peak at a distance of 500m light years.

ECONOMIST: Astronomy