Yes. I'd like to address the 30-kilometer exclusion zone.

还有 我想说下30公里禁区。

This is because the area of a circle increases with the square of the radius.

这是因为圆面积随着平方而增大。

The solid inner core is about 1200 kilometers in radius, or about 10% the radius of the Earth.

这个固态内核约为1200千米，大概是地球10%。

The planet is 2.5 times the Earth's radius, and approximately 6.5 larger by mass.

这颗行星是地球 2.5 倍，质量大约大 6.5 倍。

500,000 kilometers below the surface, the center of the sun makes up nearly a quarter of its radius.

在表层下 50 万公里地方，太阳几乎占据了其四分之。

So how can you use r-isco to measure the spin of a black hole?

那么，我们是怎么用ISCO来测量黑洞自旋呢？

Seven hundred thirty-six point three is my radius around.

我是736.3。

They have to go over a hundred times the radius of Earth just to get out.

它们想要出来就必须跨越地球百倍距离。

What's the radius of this line?

这条线是多少？

We call this the radius of the observable Universe.

我们称之为可观测宇宙。

36184 is my radius in miles for you to explore.

36184 英里是我，等你来探索。

We defined that as the current radius of the known universe.

我们把它定义为目前已知宇宙。

And it exists only within a tiny 30-mile radius.

而且它仅存在于 30 英里微小范围内。

So how can you figure out their radii?

那我们要怎样算出它呢？

There is tragically nothing that can be done to save those in the fireball's radius.

可悲是，在火球之内，人类是无计可施。

Any vampire within a 5-block radius will be incapacitated, exposing them.

能让5个街区范围内吸血鬼丧失能力，暴露无遗。

Something about the wound radius and the jaw pattern. -Are we in danger?

那个伤口大小还有下颚形状。-我们有危险了么？

The conscious is the furthest reach, the outer radius of the primary field.

显意识是最远所及，是主要场域外圆。

Spaghettification is only a risk with smaller black holes, since they have much smaller radii.

意大利面化只有在较小黑洞才有风险，因为它们要小得多。

Now, the Malaysian government is expanding the search beyond the 92-kilometer radius from where the last contact was made.

现在马来西亚政府正将搜寻范围扩大到班机失踪海域92公里以外地区。