Its thousands of stars had been part of the M87 galaxy, about 50 million light-years away.

星中的星星是A星的一部分，离地球大约5千万光年远。

Our Local Group is near the Virgo Cluster, and both are part of the Virgo Supercluster.

我们的本星处座星，两者都是座超星的一部分。

This I.D. was with the woman in Trauma 3.

这是创伤三患者的工作证。

The nearest star that might explode in this way is Spica, in Virgo, and it's well over 100 light years away.

距我们最的可能以这种方式爆炸的恒星是座的 Spica，它离我们有100光年远。

And the Milky Way and the rest of our local group of galaxies orbit a barycenter in the Virgo Supercluster.

银河和我们本星群的其他星围座超星的一个质心运行。

If M87 is the product of a merger of two galaxies, it might host two central black holes in a binary system, researchers say.

如果A星是由两个星结合产生的，那它很可能同时拥有两个黑洞。

Switching back to visible light, as we traverse the Virgo Supercluster, each tiny dot not a star, but a galaxy.

切换回可见光， 当我们穿过座超星时，每个小点都不是恒星， 而是一个星。

Our Local Group belongs to an even bigger collection of galaxies called the Virgo supercluster, and this supercluster belongs to an even larger supercluster, known as Laniakea.

本星群属于更大的星集合叫做超星，而它又属于另一个更大的超星叫做兰天超星。

Until now, astronomers grouped us, the Milky Way and its surrounding galaxies, with Virgo and nearly 100 other clusters in a supercluster that stretches 100,000,000 lightyears across.

到目前为止，天文学家将我们、银河及其周围的星、座和 100 个其他星归为一个横跨 1 亿光年的超星。

Recent observations indicate the Virgo Supercluster is actually only an appendage of the even larger Laniakea Supercluster, which may have 100,000 galaxies in it stretching across 500 million light years.

最的观测表明，座超星实际上只是更大的拉尼亚凯亚超星的一个附属物，拉尼亚凯亚超星可能有10万个星，横跨5亿光年。

This dust is illuminated by  the sun and forms a band of light known as the Zodiacal light, which spans from horizon  to horizon featuring a central focus called the gegenschein, appearing directly  opposite the sun's position over Virgo.

这些尘埃被太阳照亮， 形成了一条被称为黄道光的光带，这条光带从地平线的一端延伸到另一端， 其中心焦点称为对日照，正好出现在太阳在座位置的正对面。