The orion nebula is a special kind of nebula called a stellar nursery.

猎户座是一种特殊，叫做恒摇篮。

Those elements will spread out to become a nebula, a rich chemical cloud drifting through space.

这些物质最后会扩散开来，形成新的，一大团富含化学物质的团飘逸在宇宙之中。

Orion's sword is home to the great orion nebula, a cloud of dust, hydrogen, helium, and other gases.

猎户剑的位置有猎户座，是一种由尘埃、氢气、氦气及其他气体组成的。

He saw clusters of stars, brightly colored nebulas, even entire galaxies!

他看到了无数团，明亮的，甚至还看到了整个银河！

That's a very common shape for planetary nebulae.

这是行状很常见的形状。

However, this nebula started off more or less as a big shapeless blob.

但是一开始这或多或少更像个不成形的水滴。

In a lot of nebulae there's no sharp edge; they just kinda fade away.

在很多中并有锐的边缘；它们只是会慢慢消失。

Gas inside a nebula can be in turmoil, too.

内的气体也可能处于混乱状态。

It is a nebula: a star-forming region where new stars are being born.

一个正在诞生新恒的恒形成区域。

The most famous of all of them is probably the supernova explosion that gave rise to the Crab Nebula.

其中最著名的当属诞生了蟹状的那场超新爆炸。

The Orion nebula is one of the wonders of the universe.

猎户座是宇宙中的奇迹之一。

This object is what we call a planetary nebula.

这个物体就是我们所说的行状。

These can create lovely sheets, tendrils, and filaments in nebulae as well.

这些也可以在中创造出可爱的片状、卷须和丝状物。

Among the other four images were two that showed huge clouds of gas and dust – called nebulas.

在其他四张照片中，有两张展示了巨大的气体和尘埃——也就是。

That usually happens when a gas cloud is expanding, like in a planetary nebula or supernova.

这通常发生在气体膨胀时，比如行状或超新。

Everything we find on the Earth today also originated in that nebula.

我们地球上的一切也都来源于那片。

Nebulae are clouds of gas and dust in space.

是太空中由气体和尘埃组成的。

The glow in a planetary nebula is due to the hot central white dwarf exciting the gas.

行状中的光芒是由中央炽热的白矮激发气体产生的。

When Pan Gu broke the nebula apart, The dense and pure defined, did clearing start.

当盘古破开， 稠密分明， 清净始。

At the centre of the nebula lies the remnant of the star, its core, crushed by the force of gravity.

在的中心处，这颗恒的核依然存在着，在引力的作用下它已是面目全非。