Series showing how new camera technology is revealing the inner workings of the Earth's most spectacular natural wonders. Dr Helen Czerski examines the extraordinary new images - from eyewitnesses, scientists and film-makers - that are transforming our understanding of how and why these phenomena form. In this episode Helen looks at the latest scientific insight into the aurora - dancing lights in the night sky that have fascinated cultures throughout our history. From the networks of cameras now capturing its vast scale, to novel experiments that probe the threat it poses to modern technology, Helen reveals the dramatic transformation in our understanding of the aurora, and the many mysteries that remain to be solved.

在这一集中，海伦着眼于对极光的最新科学见解 - 夜空中的舞动灯光在我们的历史上一直令人着迷。 从现在捕捉其巨大规模的摄像机网络，到探索它对现代技术构成的威胁的新实验，海伦揭示了我们对极光的理解的巨大转变，以及许多有待解开的谜团。