所以，空中每一点细微的光亮都代表宇宙史上的不同时点，这也是天文学家能够绘制出宇宙进化图的原因。

So all those tiny points of light represent different points in time and that's how astronomers can build a picture of how the Universe has evolved.

youdao

所以，空中每一点细微的光亮都代表宇宙史上的不同时点，这也是天文学家能够绘制出宇宙进化图的原因。

So all those tiny points of light represent different points of time in the history of the Universe and that's how astronomers can build a picture of how the Universe has evolved.

youdao

这幅图展示出宇宙是如何从起初的安宁状态进化为一个包含有巨大物质和能量的结构。

This shows how the Universe has evolved from a smooth state to one containing a vast amount of structure.

youdao