Astronaut captures rare, ethereal lightning flash from space station - CNET

ESA astronaut Thomas Pesquet snaps a 'transient luminous event' from orbit.

The round blue glow is a "transient luminous event" seen from the ISS in September 2021.

"Transient luminous event" sounds like a euphemism for a ghost, but it's actually a beautiful phenomenon that can sometimes be seen from the International Space Station.