Visible light just passes over them.

可见光只会穿它们。

Infrared has a longer wavelength than visible light.

红外线的波长可见光更长。

But in visible light the planet looks almost featureless.

但在可见光下裸眼观，这颗行星就几乎毫无特色。

The wavelengths we see through our eyes, we call visible light.

我们通眼睛到的波长，我们称之为可见光。

That energy is emitted as photons of visible light.

能量以可见光的光子形式发射。

Its neutrinos reached Earth about three hours ahead of the visible light.

这些中微子可见光提前三小时抵达地球。

The exoplanet Fomalhaut b was the first one photographed with visible light.

这个名为“北落师门b”的系外行星是第一个用可视光拍到的行星。

Just like visible light, x-rays are less likely to penetrate denser materials.

类似于可见光，X线难以穿高的物体。

There, they absorb infrared radiation and convert it to visible green light.

在那里，它们吸收红外辐射，并将其转化为可见的绿光。

This pulse can be detected in visible light, radio waves, and even X-rays!

这种脉冲可以在可见光、无线电波、甚至X射线中被探测到！

There are clouds, but again they're difficult to see in visible light.

天王星的有云团环绕，但同样的，在可见光下很难到。

This is what we call “visible light, ” also known as the visible spectrum.

这就是我们所说的“可见光”，又叫可见光谱。

At the lower end of the spectrum, there's radio, infrared, and visible light.

在光谱的低频端的是无线电，红外线，和可见光。

Together with visible light, all these types of radiation are called the electromagnetic spectrum.

同可见光一，所有类型的辐射都叫做电磁频谱。

And finally, we arrive back thirteen billion years ago, at the beginning of visible light.

最后，我们抵达 130 亿年前抵达可见光的源。

We call this kind of light visible light.

我们称这种光为可见光。

A typical optical telescope has a diameter a few million times the wavelength of visible light.

传统的光学望远镜的直径是可见光波长的数百万倍。

Together, all the colors make up the spectrum of visible light—the light we can see.

所有的颜色一构成了可见光的光谱——我们所能到的光。

Furthermore, it lies behind a shroud of dust that blocks any visible light from passing through.

此外在它前面还有一层阻隔任何可见光线通的尘埃。

Radio waves pass right around “normal” telescopes, ones that we use to observe visible light.

无线电波会从我们用观测可见光的“普通”望远镜周边穿。