The Observable Universe is 93 billion lightyears in diameter.

可观测宇宙的直径为930亿光年。

The Crystal Cathedral is simply lightyears away from the county's early adobe churches.

水晶大教堂 (Crystal Cathedral) 在很久以前是郡县早期的泥砖教堂。

Leaving us with lightyears per second. That's really what matters.

当时的单位是用那时现有的其他数值来转换，毕竟，它们哪知道标准重量是多重?

20 feet, 20 lightyears, it doesn't matter. It's in a galaxy far, far away.

20尺还是20光年都不重要，在我这如同一个星系那么遥远。

Leaving us with lightyears per second.

每秒留给我们光年。

An international research team detected this spectacular light show in the Lyra Constellation about 18 lightyears away. Our science corresponent Rebecca Morelle has more.

一个国际研究小组在大约18光年之外的天琴座发现了这一壮观的光影秀。科学记者丽贝卡·莫雷勒报道。

Until now, astronomers grouped us, the Milky Way and its surrounding galaxies, with Virgo and nearly 100 other clusters in a supercluster that stretches 100,000,000 lightyears across.

到目前为止，天文学家将我们、银河系及其周围的星系、室女座和近 100 个其他星团归为一个横跨 1 亿光年的超星系团。

Odds are you'll never see a black hole in person — the nearest one is thousands of lightyears away, and there's that unfortunate danger of being spaghetti-ed to death.

但很可能，你一辈子也无法亲眼看到它——即使是离我们最近的黑洞，也有几千光年的距离，它的引力，也会有把我们拉成面条的危险。