South Africa has an impressive history of astronomy.

南非的天文学历史悠久。

That became the most studied event in the history of astronomy.

成为天文学史上研究最多的事件。

My name is Kelly and today's video is all about the history of astronomy in the ancient world.

我叫凯利，今天的视频是关于古代世界的天文学历史。