Laniakea encompasses 100,000 galaxies stretched out over 500 million light-years.

兰天超星系团内部包含10万星系，延伸5亿年距离。

That shared, cooperative quest to achieve our highest aspirations is why we bring you together from around the world, to address challenges measured in microns, millimeters, leagues or light years.

这种为实现我们最高愿望而进行共同合作探索，是我们把你们从世界各地聚集在一起，结局以微米、毫米、里格或年为单位挑战因。

Generating the kind of " Buzz that goes Lightyears"

制造出那种“年路线巴斯”。

They think it's coming from a galaxy that's about 500 million light years away.

他们认为它来自一距离我们约5亿年星系。

The ocean of quarks in a proton, inside a single atom of a single cell of your body is as small to you, as you are compared to a sphere around 174 light years across, containing about 16 thousand stars.

夸克粒存在于质中，质位于你身体单细胞中单中，对你来说，这是十分渺小，就如同你相对于一直径约174年、包含约1.6万颗恒星球体一样渺小。

It's only when you look at its properties on really big cosmological length scales, billions of light-years across, that you start to see the accumulative effects of the dark energy.

只有当你在真很大宇宙尺度下才看到它性质，数十亿年跨度，你开始看到暗量累积影响。

Scientists say it's two galaxies of equal proportion involved in a head on collision 704 million light years away from Earth.

科学家说，这是两比例相当星系，在距离地球7.04亿年以外迎面相撞。

The planet is more than 100 light years away, too far to send a probe.

该行星距离我们有100多年，这距离太远，所以无法发射探测器。

Similarly, our own present primitive chemical rockets, though good enough to orbit men, have no chance of transporting us to the nearest other star, four light years away, let alone distances of tens or hundreds of light years.

同样，我们目前使用始化学火箭，虽然把人送入轨道，但尚不把我们送到离我们最近、相距4年其他星球上去，更不用说几十年或几百年远地方了。

It's the thing that collects the light that's come from millions or billions of light years away and brings us that information that can allow us answer those questions.

巨型麦哲伦望远镜可以收集来自几百万年甚至上千万年远，并且给我们带来信息，让我们够回答这些问题。

That was it. It was the light years.

就是这，这就是年。

What you're looking at is thousands of light years away, it's a planetary nebula, a giant cloud of gas that forms around an ancient star that hasn't yet exploded.

你正在看是数千年以外一团行星状星云，是在尚未爆炸古老恒星周围形成巨大气体云。

But we can only see galaxies that are, by now, 45 billion light years away.

但我们现在只看到450亿年之外星系。

This is Hubble's first picture of the Eagle Nebula, some 6,500 light-years away.

这是哈勃拍摄第一张老鹰星云图，距离地球6500年。

Who is Taika Waititi voice in " Lightyear" ?

Taika Waititi 在《年正传》里给谁配音？

Another problem is that our galaxy has a diameter of about 150,000 to 200,000 light-years.

另一问题是，我们星系直径约为 15 万到 20 万年。

This possible exomoon is located about 8,000 light-years from Earth.

这颗可地外月距离地球约8000年。

A light year is the distance light travels in a year, about 9.5 trillion kilometers.

年指在一年中行进距离，约为9.5万亿公里。

It is located at a distance of roughly 4.3 light-years.

它距离地球约4.3年。

Some are huge, like the one at our galaxy's center 26,000 light years from Earth.

有些黑洞非常巨大，比如距离地球26，000年银河系中心黑洞。