Spiral galaxies are a common galaxy type.

螺旋是一种常见的类型。

But spiral galaxies are those that look like giant pinwheel.

但是螺旋就像巨大的风车一样。

But could he have known about spiral galaxies back in 1889?

但是他能在1889就知道螺旋吗？

In the 1960s and 1970s, astronomer Vera Rubin was observing spiral galaxies.

在2060代和70代，天文学家维拉·鲁宾一直在观察螺旋。

If these two spiral galaxies collided, they would merge into one new elliptical galaxy.

如果这两个螺旋相撞，它们会结合成的椭圆。

Spiral galaxies we've seen: We live in one!

我们见过螺旋的——我们就生活在这样一个！

This makes them similar to the stars in the central bulges of spiral galaxies.

这使得它们类似于螺旋央凸起的恒。

The arms of spiral galaxies seem to move faster than the laws of physics would allow.

旋状的旋臂运行的速度似乎比用物理法则算出的速度快。

It also contains many bright galaxies, including the Leo Triplet, a group of three spiral galaxies.

它也包括很多发光的，包括狮子座Triplet，由三个螺旋组成的一组。

This is Andromeda, a spiral galaxy roughly the same size and mass as the Milky Way.

这是仙女座，一个大小和质量都跟银河相差无几的螺旋。

About half of spiral galaxies have a straight structure, called a bar, coming out from the center.

大约一半的螺旋有一个直的结构，称为棒，从心出来。

Like the Milky Way, Andromeda is a spiral galaxy, two ringed arms circling a light-filled centre.

仙女座和银河一样，也是个漩涡，它有两支旋臂，围绕着光四溢的心旋转。

Most spiral galaxies have disks that are a vibrant blue in color, the massive hot luminous stars dominating their emission.

大多数螺旋都有充满活力的蓝色圆盘，由大质量的炽热发光恒控制着它们光芒的散射。

From a time near the birth of the cosmos to the rise of spiral galaxies like our own Milky Way.

从宇宙诞生的初期到像银河一样的旋状的兴起。

The Milky Way is spiral disc galaxy.

银河是螺旋盘。

Based on other galaxies we see outside of our own is why we conclude that our galaxy's spiraled as I'm shown.

通过观察其他，我们可以了解自己之外的界，那就是为什么我们断定，银河呈螺旋状。

Even spiral galaxies abide by this ratio, right?

甚至漩涡也遵循这个比例 对吧?

Another was a spiral galaxy, sometimes called the " Hidden Galaxy, " which looks much like our home galaxy, the Milky Way.

另一个是螺旋，有时被称为“隐藏”，它看起来很像我们的家乡银河。

That makes it a barred spiral galaxy, just like most galaxies in the observable universe.

这使它成为一个棒旋，就像可观测宇宙的大多数一样。

Lenticular galaxies fall somewhere in between elliptical and spiral galaxies Occasionally galaxies collide and interact.

透镜状位于椭圆和螺旋之间，偶尔之间会发生碰撞和相互作用。