我们昨晚在天空中看到了极光。

We saw the aurora in the sky last night.

科学家们研究极光的形成原因。

Scientists study the causes of the aurora.

你曾经亲眼见过极光吗？

Have you ever seen the aurora with your own eyes?

极光是一种美丽的自然现象。

The aurora is a beautiful natural phenomenon.

许多游客前往北极观看极光。

Many tourists travel to see the aurora in the Arctic.

极光用鲜艳的颜色照亮了夜空。

The aurora lit up the night sky with vibrant colors.

许多人旅行到北极圈以观赏极光。

Many people travel to the Arctic Circle to see the aurora.

极光可以在北半球和南半球看到。

The aurora can be seen in both the northern and southern hemispheres.

热层是极光出现的地方。

The thermosphere is where the auroras occur.

北极的天空充满了美丽的极光。

The borealis sky is filled with beautiful auroras.