星系

Our sun is one of several 100 billion stars in spiral galaxy, the Milky Way.

我们的太阳只是螺旋形的银河星系中1000亿星星之一。

The answer has a lot to do with how we know we live in a spiral galaxy in the first place.

最主要的原因是我们就身处在这个螺旋星系之中。

I mean, you can't look up into the sky and see the spiral structure of our galaxy, so how do we know it's there?

我的意思是，不可能仅仅靠看天空就能发现我们螺旋型的星系，所以我们怎么可能知道他的存在呢？

Our Galaxy is classified as a spiral galaxy and is composed of about 100 billion stars.

我们身处的银河系是一个螺旋星系，当中包含了千亿颗恒星。

The middle image is an example of a tiny, youthful spiral galaxy.

处于中间的是一个小而年轻的旋涡状星系。

Explanation :Is this a spiral galaxy?

说明： 这是一个螺旋星系吗？

What's happening at the center of spiral galaxy NGC 1097?

说明：旋涡星系NGC1097的中心正在发生什么？

This neighboring spiral galaxy appears in our sky as a large hazy patch – bigger than a full moon.

邻近的螺旋星系，在我们的天空里只显示为一个比一轮满月大的模糊斑点。

Note that the shape of the normal-looking spiral galaxy has changed.

请注意，形状正常前瞻性的螺旋星系发生了变化。

This pair of galaxies illuminates the distribution of galactic dust beyond the visible arms of a spiral galaxy.

这两个重叠的星系发出的光照亮了一个螺旋星云的一条可见的旋臂上分布的尘埃。

But we don't care about Battlegrounds.

但我们并不在乎沙场中的显露。

Ah! don't mention it, the butcher's shop is a horror.

啊！不用提了。提到肉，真是糟透了。