Dark matter is considered the essential building block of the universe.

质被认为是构成宇宙基本质。

Rubin showed that every galaxy is surrounded by a huge halo of invisible dark matter.

鲁宾指出，每个星系都被一个巨大、看不见质光环所包围。

I guess they really do have concentrated dark matter.

看来他们确实有浓缩质。

The galaxy is small, faint, and dominated by invisible dark matter.

他们推断这是个微弱星系，而主要是由不可见质组成。

To explain why, let me draw an analogy to dark matter.

让我引用质比喻来解释一下这是为什么。

Dark matter, which only interacts with gravity.

质，只与重力相互作用。

We need 10cc of concentrated dark matter, stat, or he'll die!

我们急需10cc浓缩质 不然他就要死了！

They think this galaxy could offer proof that dark matter is real.

他们认为该星系可以证明质存在。

Dark matter is the matter that doesn't interact with things othe than gravity.

质是除了重力外不跟其他质相互作用东西。

Dark matter is spread throughout space, engulfing the Milky Way and all other galaxies.

质遍布太空，包围着银河系和所有其他星系。

Dark matter, a better name for dark matter is invisible matter.

质，质一个更好名字是隐形质。

Most of the universe is made out of dark matter.

宇宙大部分是由质构成。

Our Universe is full of dark matter.

我们宇宙充满了质。

Since dark matter does not give off light, it is very difficult to observe.

由于质不发光，所以难观察到。

Dark matter is cold and clumpy, which means it can bunch together to form galaxies.

质是冷凝聚性强，这意味着它可以聚集在一起形成星系。

Dark matter is one of the unsolved mysteries of the Universe.

质是宇宙中尚未被解开谜团之一。

The data collected may shed light on more mysteries of the Universe, like dark matter.

实验收集数据可能会揭示更多宇宙奥秘，如质。

It is this dark matter that keeps galaxies gravitationally 'intact'.

正是这种质使星系在引力上保持“完整”。

Dwarf galaxies like this one are thought to contain more dark matter than regular matter.

像这样矮星系含有质比普通质要多。

And for one small wannabe-galaxy, dark matter may have been a lifesaver.

而对于瓦纳比星系而言，质也许成为了救星。