This is called the giant impact hypothesis.

这就是所谓的巨大撞击假说。

Why would it have a giant impact on our healthcare?

为什么这会对我们的医疗保健有巨大的冲击？

The giant impact sent a ring of matter hurtling into the Earth's orbit.

激撞使得一圈物质飞溅到地球的轨道上。

" Giant impacts plus water is a really good way of making a continent, " says Dr Johnson.

“巨型撞击加上水是形成大陆的一种非常好的方式。”

Dadaism had less lofty goals. But man, it did have a giant impact on the arts and the world at large.

达达主义没有那么崇高的目标 但是 它确实对艺术和整个世界产生了巨大的影响。

(Laughter) It turns out that giant clams have a giant impact on coral reefs.

（ 笑声）事实证明， 巨型蛤蜊对珊瑚礁有着巨大的影响。

And everyone's like, " naw! " This is called the giant impact hypothesis.

每个人都喜欢，“不！”这被称为巨大撞击假说。

Dr. Robin Canup and others of the Southwest Research Institute in Boulder have constructed a computer model to study the details of the giant impact scenario.

博尔的西南研究学会的罗宾·坎努普博士等人建立了一个计算机模型来研究巨大撞击设想的细节。

And then a guy named John Wood came up with this crazy idea that the moon formed through a giant impact, all based on these millimeter sized fragments from one spot in the moon.

然后一个叫约翰·伍德的人提出了这个疯狂的想法，月球是通过巨大的撞击形成的，所有这些都是基于月球上一个地方的毫米大小的碎片。

For that white anorthosite to get to the Sea of Tranquility, it must have been blasted there by a giant impact, like a meteorite, from hundreds of km away in the moon's highlands, those lighter areas.

那块白色斜长岩要到达静海，一定是受到了巨大的撞击，就像陨石一样，从数百公里外的月球高地，那些较亮的地区。

And then a guy named John Wood came up with this crazy idea that the moon formed through a giant impact, all based on these millimeter sized fragments from one spot in the moon.

瑞安：然后一个叫约翰伍德的人想出了一个疯狂的想法， 即月球是通过一次巨大的撞击形成的，所有这些都是基于月球上一个点的这些毫米大小的碎片。

The giant impact theory could explain all of these, but to convince people that something collided with the Earth 4 and a half billion years ago and created a magmoon… scientists needed a little more evidence.

巨大的撞击理论可以解释所有这些，但要让人们相信 45 亿年前有什么东西与地球相撞并创造了一个岩月… … 科学家需要更多的证据。