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

物质被认为是构成宇宙基本物质。

Dark matter, which only interacts with gravity.

物质，只与重力相互作用。

Dark matter surrounds the Milky Way galaxy.

物质围绕着银河系。

Our Universe is full of dark matter.

我们宇宙充满了物质。

Unlike baryonic matter, dark matter is invisible.

与重子物质不同，物质是看不到。

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

物质，物质更好名字是隐形物质。

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

他们推断这是很小且很微弱星系，而且主要是由不可见物质组成。

How do you make concentrated dark matter?

怎么制造浓缩物质啊？

Most of the universe is made out of dark matter.

宇宙大部分是由物质构成。

This essentially describes the biggest challenge in finding dark matter.

这从本质上描述了寻找物质最大困难。

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

让我引用物质比喻来解释下这是为什么。

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

物质是宇宙中尚未被解开谜团之。

Dark matter acts like the unseen glue that holds galaxies together.

物质作用就像种隐形胶水，把各星系连在起。

Indeed. One of the discoverers of dark matter, I believe, right?

确是。她是物质发现者之，对吗？

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

鲁宾指出，每星系都被巨大、看不见物质光环所包围。

I bet you've seen him make concentrated dark matter a lot.

你肯定看见过他制作浓缩物质很多次吧。

Dark matter is a material that also affects the expansion of the universe.

物质是种也会影响宇宙膨胀物质。

To look for the annihilation spectrum resulting from dark matter collisions in space.

以观察由于宇宙物质碰撞而产生光谱湮灭现象。

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

物质遍布太空，包围着银河系和所有其他星系。

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

物质是除了重力外不跟其他物质相互作用东西。