For those of us who prefer text to youtube: a nice page that goes in-depth with nice pictures of barium tracers https://eos.org/science-updates/ionospheric-fir

For those of us who prefer text to youtube: a nice page that goes in-depth with nice pictures of barium tracers https://eos.org/science-updates/ionospheric-fireworks-illuminate-auroral-science https://eos.org/science-updates/ionospheric-fireworks-illumi...