Smile's ultraviolet vision

The solar wind leads to 'magnetic storms' in Earth's magnetosphere that ultimately cause the auroras. Using its ultraviolet imager (UVI), Smile will be the first-ever mission to take ultraviolet photos and videos of the northern lights for 45 hours at a time.

Smile (the Solar wind Magnetosphere Ionosphere Link Explorer) is a joint mission between the European Space Agency and the Chinese Academy of Sciences.