![](https://i.kinja-img.com/image/upload/c_fit,q_80,w_636/3fefba2fb6094f076d8952e7c0d9bde8.jpg)
STEVE, a strange ribbon of purple and green haze discovered by citizen scientists in 2016, just got even weirder. While looking through archival data, a team of scientists discovered that the aurora-like phenomenon has a secret twin moving in the opposite direction.