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

暗物质被认为构成宇宙基本物质。

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

鲁宾指出，每个系都被一个巨大、看见暗物质光环所包围。

I guess they really do have concentrated dark matter.

看来他们确实有浓缩暗物质。

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

他们推断这个很小很微系，而主要可见暗物质组成。

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

让我引用暗物质比喻来解释一下这为什么。

Dark matter, which only interacts with gravity.

暗物质，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浓缩暗物质 然他就要死了！

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

他们认为该系可以证明暗物质存在。

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

暗物质除了重力外跟其他物质相互作用东西。

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

暗物质遍布太空，包围着银河系和所有其他系。

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

暗物质，暗物质一个更好名字隐形物质。

Most of the universe is made out of dark matter.

宇宙大部分暗物质构成。

Our Universe is full of dark matter.

我们宇宙充满了暗物质。

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

于暗物质发光，所以很难观察到。

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

暗物质冷暗凝聚性强，这意味着它可以聚集在一起形成系。

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

暗物质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，如暗物质。

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

正这种暗物质使系在引力上保持“完整”。

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

像这样矮系含有暗物质比普通物质要多。

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

而对于小瓦纳比系而言，暗物质也许成为了救。