It’s a ripple in the fabric of space and time.

它时空。

The ripples radiate outwards which, when they reach land, makes waves.

（激起）外扩散着。当（这些）遇到陆地，就形成了海浪。

The silence was gently broken by ripples of applause.

掌声轻轻地打破了沉默。

The ripples all get bunched up along the leading edge.

都沿着前缘聚集起来。

They can actually cause a ripple in space-time itself.

它们实际上可以在时空引起。

How would you observe a ripple in space?

可我们怎么观测时空？

There are waves of energy that ripple across this field.

有能量波在这个场泛起。

What ripple effects might a " yes" mean?

「好」会代表什么样效应？

The murder is having ripple effects around the world.

这起谋杀案在全世界产生了效应。

What are these ripples in space?

这些宇到底什么？

There's water dripping. There's puddles on the ground.

水珠滴在地上形成。地上有水坑。

They do it by rippling this space with gravitational waves.

它们通过引力波在周围空间激起似波纹。

They create ripples which they use like radar.

它们产生并将其当做雷达。

They can spread like a ripple effect to instigate collective action.

这些行为如效应般散播、激发集体行动。

Throw a stone into still water and watch the ripples spread in rings.

投一块石头到静止水里，看荡漾成圈。

The ripple effects of the " Great Recession" led to recessions around the world.

“大衰退”效应引起了全世界经济衰退。

But what is so amazing about these ripples is they form themselves.

但令人惊奇，这些它们自己形成。

It radiates outward like ripples from a stone thrown into a pond.

它像石头投入池塘所产生一样外辐射。

And those ripples in space are caused by the Dark Matter.

而这些太空都由暗物质所造成。

As the universe expanded, the slightly denser regions became increasingly dense.

后来上致密之处变得更加致密。