Beyond the visible spectrum, our world is illuminated by invisible light.

除了可见光之外，各种不可见光也笼罩着这个世界。

Visible light just passes over them.

可见光只会穿过它们。

Light, both visible and invisible, is all around us.

可见光和不可见光都在我们身边。

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

这些中微子比可见光小时抵达地球。

That energy is emitted as photons of visible light.

能量以可见光的光子形式发射。

And blue light has some of the highest energy wavelengths in the visible spectrum.

而蓝光在可见光光谱中具有最高能量的波长。

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

我们通过眼睛看到的波长，我们称之为可见光。

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

同可见光一起，所有类型的辐射都叫做电磁频谱。

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

类似于可见光，X线难以穿过密度高的物体。

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。

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

最后，我们抵达 130 亿年抵达可见光的起源。

They let visible wavelengths pass through, but the lens's rounded shape bends the light.

它们让可见光经过，但其圆弧的形状会让光弯曲。

Infrared has a longer wavelength than visible light.

红外线的波长比可见光更长。

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。

But in visible light the planet looks almost featureless.

但在可见光下裸眼观看，这颗行星看起来就几乎毫无特色。

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

所有的颜色一起构成了可见光的光谱——我们所能看到的光。

On the left-hand side shows you what we see with visible light with the Hubble Space Telescope.

左边的图像是我们用哈勃望远镜看到的可见光。

In other words, invisible rays had passed through the cardboard.

换句话说， 就是一道不可见光穿透纸板投射到外面来了。

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，在可见光下很难看到。

We call this kind of light visible light.

我们称这种光为可见光。