Space station detectors found the source of weird ‘blue jet’ lightning
A ‘blue bang’ sparks an unusual type of lightning in the upper atmosphere
![blue jet illustration](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2021/01/012021_MT_blue-jet_feat.jpg?fit=1030%2C580&ssl=1)
The International Space Station spotted an exotic type of upside-down lightning called a blue jet (illustrated) zipping up from a thundercloud into the stratosphere in 2019.
DTU Space, Daniel Schmelling/Mount Visual